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137644835 = 5171985229
BaseRepresentation
bin10000011010001…
…00101100100011
3100121000002012212
420031010230203
5240214113320
621354112335
73260650616
oct1015045443
9317002185
10137644835
1170773669
123a11b6ab
1322694363
14143d017d
15c13d9c5
hex8344b23

137644835 has 16 divisors (see below), whose sum is σ = 184096800. Its totient is φ = 98182656.

The previous prime is 137644799. The next prime is 137644877. The reversal of 137644835 is 538446731.

It is a cyclic number.

It is not a de Polignac number, because 137644835 - 28 = 137644579 is a prime.

It is a super-2 number, since 2×1376448352 = 37892201204354450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137644792 and 137644801.

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, 41000 + ... + 44229.

It is an arithmetic number, because the mean of its divisors is an integer number (11506050).

Almost surely, 2137644835 is an apocalyptic number.

137644835 is a deficient number, since it is larger than the sum of its proper divisors (46451965).

137644835 is a wasteful number, since it uses less digits than its factorization.

137644835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85270.

The product of its digits is 241920, while the sum is 41.

The square root of 137644835 is about 11732.2135592564. The cubic root of 137644835 is about 516.3212187293.

The spelling of 137644835 in words is "one hundred thirty-seven million, six hundred forty-four thousand, eight hundred thirty-five".

Divisors: 1 5 17 19 85 95 323 1615 85229 426145 1448893 1619351 7244465 8096755 27528967 137644835