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10155131 = 73739209
BaseRepresentation
bin100110101111…
…010001111011
3201002221012222
4212233101323
510044431011
61001354255
7152213540
oct46572173
921087188
1010155131
115806778
12349898b
13214736c
1414c4bc7
15d58ddb
hex9af47b

10155131 has 8 divisors (see below), whose sum is σ = 11919840. Its totient is φ = 8468928.

The previous prime is 10155127. The next prime is 10155151. The reversal of 10155131 is 13155101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10155131 - 22 = 10155127 is a prime.

It is a super-2 number, since 2×101551312 = 206253371254322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10155151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19346 + ... + 19863.

It is an arithmetic number, because the mean of its divisors is an integer number (1489980).

Almost surely, 210155131 is an apocalyptic number.

10155131 is a deficient number, since it is larger than the sum of its proper divisors (1764709).

10155131 is an equidigital number, since it uses as much as digits as its factorization.

10155131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39253.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 10155131 is about 3186.7116279952. The cubic root of 10155131 is about 216.5518226354.

The spelling of 10155131 in words is "ten million, one hundred fifty-five thousand, one hundred thirty-one".

Divisors: 1 7 37 259 39209 274463 1450733 10155131