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10257146 = 25128573
BaseRepresentation
bin100111001000…
…001011111010
3201022010011022
4213020023322
510111212041
61003502442
7153120134
oct47101372
921263138
1010257146
115876389
123527a22
132181923
141510054
15d7924b
hex9c82fa

10257146 has 4 divisors (see below), whose sum is σ = 15385722. Its totient is φ = 5128572.

The previous prime is 10257133. The next prime is 10257151. The reversal of 10257146 is 64175201.

10257146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64175201 = 365917539.

It can be written as a sum of positive squares in only one way, i.e., 9991921 + 265225 = 3161^2 + 515^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564285 + ... + 2564288.

Almost surely, 210257146 is an apocalyptic number.

10257146 is a deficient number, since it is larger than the sum of its proper divisors (5128576).

10257146 is an equidigital number, since it uses as much as digits as its factorization.

10257146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128575.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 10257146 is about 3202.6779419729. The cubic root of 10257146 is about 217.2745433173.

The spelling of 10257146 in words is "ten million, two hundred fifty-seven thousand, one hundred forty-six".

Divisors: 1 2 5128573 10257146