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10666975 = 521179491
BaseRepresentation
bin101000101100…
…001111011111
3202001221100011
4220230033133
510212320400
61020344051
7156445024
oct50541737
922057304
1010666975
116026290
1236a5027
132296327
1415b954b
15e0a8ba
hexa2c3df

10666975 has 24 divisors (see below), whose sum is σ = 14641920. Its totient is φ = 7644000.

The previous prime is 10666949. The next prime is 10666987. The reversal of 10666975 is 57966601.

It is not a de Polignac number, because 10666975 - 219 = 10142687 is a prime.

It is a super-2 number, since 2×106669752 = 227568711301250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21480 + ... + 21970.

It is an arithmetic number, because the mean of its divisors is an integer number (610080).

Almost surely, 210666975 is an apocalyptic number.

10666975 is a deficient number, since it is larger than the sum of its proper divisors (3974945).

10666975 is a wasteful number, since it uses less digits than its factorization.

10666975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 10666975 is about 3266.0335270784. The cubic root of 10666975 is about 220.1306042689.

It can be divided in two parts, 106 and 66975, that added together give a square (67081 = 2592).

The spelling of 10666975 in words is "ten million, six hundred sixty-six thousand, nine hundred seventy-five".

Divisors: 1 5 11 25 55 79 275 395 491 869 1975 2455 4345 5401 12275 21725 27005 38789 135025 193945 426679 969725 2133395 10666975