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10993975 = 52439759
BaseRepresentation
bin101001111100…
…000100110111
3202200112220021
4221330010313
510303301400
61031350011
7162306256
oct51740467
922615807
1010993975
116229a33
123822307
13237c115
14166279d
15e7271a
hexa7c137

10993975 has 6 divisors (see below), whose sum is σ = 13632560. Its totient is φ = 8795160.

The previous prime is 10993973. The next prime is 10993993. The reversal of 10993975 is 57939901.

It is not a de Polignac number, because 10993975 - 21 = 10993973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10993973) 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, 219855 + ... + 219904.

Almost surely, 210993975 is an apocalyptic number.

10993975 is a deficient number, since it is larger than the sum of its proper divisors (2638585).

10993975 is an equidigital number, since it uses as much as digits as its factorization.

10993975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439769 (or 439764 counting only the distinct ones).

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 10993975 is about 3315.7163630202. The cubic root of 10993975 is about 222.3573971563.

The spelling of 10993975 in words is "ten million, nine hundred ninety-three thousand, nine hundred seventy-five".

Divisors: 1 5 25 439759 2198795 10993975