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10680971 = 72217979
BaseRepresentation
bin101000101111…
…101010001011
3202002122112112
4220233222023
510213242341
61020532535
7156533600
oct50575213
922078475
1010680971
116035854
1236b114b
13229c802
1415c06a7
15e0eaeb
hexa2fa8b

10680971 has 6 divisors (see below), whose sum is σ = 12424860. Its totient is φ = 9155076.

The previous prime is 10680959. The next prime is 10680973. The reversal of 10680971 is 17908601.

It is not a de Polignac number, because 10680971 - 218 = 10418827 is a prime.

It is a super-2 number, since 2×106809712 = 228166283005682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10680973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108941 + ... + 109038.

It is an arithmetic number, because the mean of its divisors is an integer number (2070810).

Almost surely, 210680971 is an apocalyptic number.

10680971 is a deficient number, since it is larger than the sum of its proper divisors (1743889).

10680971 is an equidigital number, since it uses as much as digits as its factorization.

10680971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217993 (or 217986 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 10680971 is about 3268.1754848845. The cubic root of 10680971 is about 220.2268390317.

The spelling of 10680971 in words is "ten million, six hundred eighty thousand, nine hundred seventy-one".

Divisors: 1 7 49 217979 1525853 10680971