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10156969 = 31872
BaseRepresentation
bin100110101111…
…101110101001
3201010000202001
4212233232221
510100010334
61001411001
7152222104
oct46575651
921100661
1010156969
115808099
123499a61
132148154
1414c573b
15d59714
hex9afba9

10156969 has 3 divisors (see below), whose sum is σ = 10160157. Its totient is φ = 10153782.

The previous prime is 10156957. The next prime is 10157023. The reversal of 10156969 is 96965101.

The square root of 10156969 is 3187.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 10156969 - 29 = 10156457 is a prime.

It is a super-2 number, since 2×101569692 = 206328038533922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10156369) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1594 + ... + 4780.

It is an arithmetic number, because the mean of its divisors is an integer number (3386719).

Almost surely, 210156969 is an apocalyptic number.

10156969 is the 3187-th square number.

10156969 is the 1594-th centered octagonal number.

It is an amenable number.

10156969 is a deficient number, since it is larger than the sum of its proper divisors (3188).

10156969 is an frugal number, since it uses more digits than its factorization.

10156969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6374 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The cubic root of 10156969 is about 216.5648865811.

The spelling of 10156969 in words is "ten million, one hundred fifty-six thousand, nine hundred sixty-nine".

Divisors: 1 3187 10156969