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196760988 = 2235475973
BaseRepresentation
bin10111011101001…
…01010110011100
3111201020111100000
423232211112130
5400332322423
631305134300
74606304124
oct1356452634
9451214300
10196760988
11a1080496
1255a8a390
13319c1c28
141c1bbc84
1512419843
hexbba559c

196760988 has 144 divisors (see below), whose sum is σ = 543029760. Its totient is φ = 62239104.

The previous prime is 196760987. The next prime is 196761001. The reversal of 196760988 is 889067691.

It is a super-2 number, since 2×1967609882 = 77429772797472288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196760981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2695320 + ... + 2695392.

It is an arithmetic number, because the mean of its divisors is an integer number (3771040).

Almost surely, 2196760988 is an apocalyptic number.

196760988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196760988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271514880).

196760988 is an abundant number, since it is smaller than the sum of its proper divisors (346268772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196760988 is a wasteful number, since it uses less digits than its factorization.

196760988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 196760988 is about 14027.1518135365. The cubic root of 196760988 is about 581.6293739780.

The spelling of 196760988 in words is "one hundred ninety-six million, seven hundred sixty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 59 73 81 94 108 118 141 146 162 177 188 219 236 243 282 292 324 354 423 438 486 531 564 657 708 846 876 972 1062 1269 1314 1593 1692 1971 2124 2538 2628 2773 3186 3431 3807 3942 4307 4779 5076 5546 5913 6372 6862 7614 7884 8319 8614 9558 10293 11092 11421 11826 12921 13724 14337 15228 16638 17228 17739 19116 20586 22842 23652 24957 25842 28674 30879 33276 35478 38763 41172 45684 49914 51684 57348 61758 70956 74871 77526 92637 99828 116289 123516 149742 155052 185274 202429 224613 232578 277911 299484 348867 370548 404858 449226 465156 555822 607287 673839 697734 809716 833733 898452 1046601 1111644 1214574 1347678 1395468 1667466 1821861 2093202 2429148 2695356 3334932 3643722 4186404 5465583 7287444 10931166 16396749 21862332 32793498 49190247 65586996 98380494 196760988