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163092540 = 223513239091
BaseRepresentation
bin10011011100010…
…01100000111100
3102100212221220110
421232021200330
5313222430130
624103350020
74020156312
oct1156114074
9370787813
10163092540
1184074926
1246752310
1327a34280
14179360b2
15e4b8ab0
hex9b8983c

163092540 has 96 divisors (see below), whose sum is σ = 513225216. Its totient is φ = 38396160.

The previous prime is 163092497. The next prime is 163092551. The reversal of 163092540 is 45290361.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 163092498 and 163092507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13395 + ... + 22485.

It is an arithmetic number, because the mean of its divisors is an integer number (5346096).

Almost surely, 2163092540 is an apocalyptic number.

163092540 is a gapful number since it is divisible by the number (10) 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 163092540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256612608).

163092540 is an abundant number, since it is smaller than the sum of its proper divisors (350132676).

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

163092540 is a wasteful number, since it uses less digits than its factorization.

163092540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139 (or 9137 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 163092540 is about 12770.7689666676. The cubic root of 163092540 is about 546.3589128049.

The spelling of 163092540 in words is "one hundred sixty-three million, ninety-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 23 26 30 39 46 52 60 65 69 78 92 115 130 138 156 195 230 260 276 299 345 390 460 598 690 780 897 1196 1380 1495 1794 2990 3588 4485 5980 8970 9091 17940 18182 27273 36364 45455 54546 90910 109092 118183 136365 181820 209093 236366 272730 354549 418186 472732 545460 590915 627279 709098 836372 1045465 1181830 1254558 1418196 1772745 2090930 2363660 2509116 2718209 3136395 3545490 4181860 5436418 6272790 7090980 8154627 10872836 12545580 13591045 16309254 27182090 32618508 40773135 54364180 81546270 163092540