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10256648 = 231282081
BaseRepresentation
bin100111001000…
…000100001000
3201022002110212
4213020010020
510111203043
61003500252
7153115523
oct47100410
921262425
1010256648
115875a76
123527688
13218162c
14150dbba
15d79018
hex9c8108

10256648 has 8 divisors (see below), whose sum is σ = 19231230. Its totient is φ = 5128320.

The previous prime is 10256621. The next prime is 10256663. The reversal of 10256648 is 84665201.

It can be written as a sum of positive squares in only one way, i.e., 10252804 + 3844 = 3202^2 + 62^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641033 + ... + 641048.

Almost surely, 210256648 is an apocalyptic number.

It is an amenable number.

10256648 is a deficient number, since it is larger than the sum of its proper divisors (8974582).

10256648 is a wasteful number, since it uses less digits than its factorization.

10256648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282087 (or 1282083 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 10256648 is about 3202.6001935927. The cubic root of 10256648 is about 217.2710269242.

The spelling of 10256648 in words is "ten million, two hundred fifty-six thousand, six hundred forty-eight".

Divisors: 1 2 4 8 1282081 2564162 5128324 10256648