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10257427 = 16362929
BaseRepresentation
bin100111001000…
…010000010011
3201022010112201
4213020100103
510111214202
61003504031
7153121015
oct47102023
921263481
1010257427
115876614
123528017
132181aab
1415101b5
15d79387
hex9c8413

10257427 has 4 divisors (see below), whose sum is σ = 10320520. Its totient is φ = 10194336.

The previous prime is 10257407. The next prime is 10257437. The reversal of 10257427 is 72475201.

10257427 is digitally balanced in base 3, 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10257427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10257395 and 10257404.

It is not an unprimeable number, because it can be changed into a prime (10257407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31302 + ... + 31627.

It is an arithmetic number, because the mean of its divisors is an integer number (2580130).

Almost surely, 210257427 is an apocalyptic number.

10257427 is a deficient number, since it is larger than the sum of its proper divisors (63093).

10257427 is an equidigital number, since it uses as much as digits as its factorization.

10257427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63092.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 10257427 is about 3202.7218112100. The cubic root of 10257427 is about 217.2765274167.

The spelling of 10257427 in words is "ten million, two hundred fifty-seven thousand, four hundred twenty-seven".

Divisors: 1 163 62929 10257427