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10161272 = 2311115469
BaseRepresentation
bin100110110000…
…110001111000
3201010020122102
4212300301320
510100130042
61001442532
7152240462
oct46606170
921106572
1010161272
115810350
1234a0448
13214a0b4
1414c7132
15d5ab32
hex9b0c78

10161272 has 16 divisors (see below), whose sum is σ = 20784600. Its totient is φ = 4618720.

The previous prime is 10161269. The next prime is 10161289. The reversal of 10161272 is 27216101.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 57647 + ... + 57822.

Almost surely, 210161272 is an apocalyptic number.

It is an amenable number.

10161272 is an abundant number, since it is smaller than the sum of its proper divisors (10623328).

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

10161272 is a wasteful number, since it uses less digits than its factorization.

10161272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115486 (or 115482 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 10161272 is about 3187.6750148031. The cubic root of 10161272 is about 216.5954648354.

Adding to 10161272 its reverse (27216101), we get a palindrome (37377373).

The spelling of 10161272 in words is "ten million, one hundred sixty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 115469 230938 461876 923752 1270159 2540318 5080636 10161272