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194105480 = 23541711667
BaseRepresentation
bin10111001000111…
…01000010001000
3111112020120122212
423210131002020
5344142333410
631132204252
74544604122
oct1344350210
9445216585
10194105480
119a627358
1255009688
13312a231a
141baca212
1512092b05
hexb91d088

194105480 has 64 divisors (see below), whose sum is σ = 453962880. Its totient is φ = 74636800.

The previous prime is 194105459. The next prime is 194105519. The reversal of 194105480 is 84501491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115607 + ... + 117273.

It is an arithmetic number, because the mean of its divisors is an integer number (7093170).

Almost surely, 2194105480 is an apocalyptic number.

194105480 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 194105480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226981440).

194105480 is an abundant number, since it is smaller than the sum of its proper divisors (259857400).

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

194105480 is a wasteful number, since it uses less digits than its factorization.

194105480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 194105480 is about 13932.1742739603. The cubic root of 194105480 is about 579.0009356438. Note that the first 3 decimals are identical.

The spelling of 194105480 in words is "one hundred ninety-four million, one hundred five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 41 71 82 142 164 205 284 328 355 410 568 710 820 1420 1640 1667 2840 2911 3334 5822 6668 8335 11644 13336 14555 16670 23288 29110 33340 58220 66680 68347 116440 118357 136694 236714 273388 341735 473428 546776 591785 683470 946856 1183570 1366940 2367140 2733880 4734280 4852637 9705274 19410548 24263185 38821096 48526370 97052740 194105480