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137796492 = 223171096197
BaseRepresentation
bin10000011011010…
…01101110001100
3100121021210020210
420031221232030
5240233441432
621401242420
73262152021
oct1015515614
9317253223
10137796492
11708675a9
123a193410
13227183b2
141442d548
15c16d8cc
hex8369b8c

137796492 has 48 divisors (see below), whose sum is σ = 343617120. Its totient is φ = 42826752.

The previous prime is 137796481. The next prime is 137796497. The reversal of 137796492 is 294697731.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (137796497) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19138 + ... + 25334.

It is an arithmetic number, because the mean of its divisors is an integer number (7158690).

Almost surely, 2137796492 is an apocalyptic number.

137796492 is a gapful number since it is divisible by the number (12) 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 137796492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171808560).

137796492 is an abundant number, since it is smaller than the sum of its proper divisors (205820628).

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

137796492 is a wasteful number, since it uses less digits than its factorization.

137796492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330 (or 6328 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 137796492 is about 11738.6750530032. The cubic root of 137796492 is about 516.5107766019.

The spelling of 137796492 in words is "one hundred thirty-seven million, seven hundred ninety-six thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 109 204 218 327 436 654 1308 1853 3706 5559 6197 7412 11118 12394 18591 22236 24788 37182 74364 105349 210698 316047 421396 632094 675473 1264188 1350946 2026419 2701892 4052838 8105676 11483041 22966082 34449123 45932164 68898246 137796492