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10505875 = 5384047
BaseRepresentation
bin101000000100…
…111010010011
3201202202100111
4220010322103
510142142000
61013102151
7155204242
oct50047223
921682314
1010505875
115a26246
123627957
13223abc3
141576959
15dc7cba
hexa04e93

10505875 has 8 divisors (see below), whose sum is σ = 13111488. Its totient is φ = 8404600.

The previous prime is 10505851. The next prime is 10505893. The reversal of 10505875 is 57850501.

10505875 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-10505875 is a prime.

It is a super-2 number, since 2×105058752 = 220746819031250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41899 + ... + 42148.

It is an arithmetic number, because the mean of its divisors is an integer number (1638936).

Almost surely, 210505875 is an apocalyptic number.

10505875 is a deficient number, since it is larger than the sum of its proper divisors (2605613).

10505875 is an frugal number, since it uses more digits than its factorization.

10505875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84062 (or 84052 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 10505875 is about 3241.2767546138. The cubic root of 10505875 is about 219.0167901335.

The spelling of 10505875 in words is "ten million, five hundred five thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 84047 420235 2101175 10505875