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137821104 = 2432957091
BaseRepresentation
bin10000011011011…
…11101110110000
3100121100001000100
420031233232300
5240240233404
621401552400
73262313541
oct1015575660
9317301010
10137821104
1170884043
123a1a5700
1322726665
14144384c8
15c175d39
hex836fbb0

137821104 has 30 divisors (see below), whose sum is σ = 385708076. Its totient is φ = 45940320.

The previous prime is 137821081. The next prime is 137821111. The reversal of 137821104 is 401128731.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 478402 + ... + 478689.

Almost surely, 2137821104 is an apocalyptic number.

It is an amenable number.

137821104 is an abundant number, since it is smaller than the sum of its proper divisors (247886972).

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

137821104 is a wasteful number, since it uses less digits than its factorization.

137821104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957105 (or 957096 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 137821104 is about 11739.7233357520. The cubic root of 137821104 is about 516.5415263118.

Adding to 137821104 its reverse (401128731), we get a palindrome (538949835).

The spelling of 137821104 in words is "one hundred thirty-seven million, eight hundred twenty-one thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 957091 1914182 2871273 3828364 5742546 7656728 8613819 11485092 15313456 17227638 22970184 34455276 45940368 68910552 137821104