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10444987 = 721712539
BaseRepresentation
bin100111110110…
…000010111011
3201122122211101
4213312002323
510133214422
61011512231
7154531600
oct47660273
921578741
1010444987
115994523
1235b8677
132219287
14155c6a7
15db4c27
hex9f60bb

10444987 has 12 divisors (see below), whose sum is σ = 12866040. Its totient is φ = 8425536.

The previous prime is 10444979. The next prime is 10444991. The reversal of 10444987 is 78944401.

It is not a de Polignac number, because 10444987 - 23 = 10444979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10444937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5437 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (1072170).

Almost surely, 210444987 is an apocalyptic number.

10444987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10444987 is a deficient number, since it is larger than the sum of its proper divisors (2421053).

10444987 is a wasteful number, since it uses less digits than its factorization.

10444987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12570 (or 12563 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 10444987 is about 3231.8705110199. The cubic root of 10444987 is about 218.5928578084.

The spelling of 10444987 in words is "ten million, four hundred forty-four thousand, nine hundred eighty-seven".

Divisors: 1 7 17 49 119 833 12539 87773 213163 614411 1492141 10444987