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257270324 = 22371738313
BaseRepresentation
bin11110101010110…
…10001000110100
3122221002200112112
433111122020310
51011330122244
641310110152
76242522153
oct1725321064
9587080475
10257270324
1112224a003
12721ab358
13413b997c
142624d59a
15178bd39e
hexf55a234

257270324 has 12 divisors (see below), whose sum is σ = 462391524. Its totient is φ = 125158464.

The previous prime is 257270297. The next prime is 257270353. The reversal of 257270324 is 423072752.

257270324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 215150224 + 42120100 = 14668^2 + 6490^2 .

It is a super-2 number, since 2×2572703242 = 132376039222129952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869009 + ... + 869304.

It is an arithmetic number, because the mean of its divisors is an integer number (38532627).

Almost surely, 2257270324 is an apocalyptic number.

It is an amenable number.

257270324 is a deficient number, since it is larger than the sum of its proper divisors (205121200).

257270324 is a wasteful number, since it uses less digits than its factorization.

257270324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738354 (or 1738352 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 257270324 is about 16039.6484998893. The cubic root of 257270324 is about 636.0089558751.

The spelling of 257270324 in words is "two hundred fifty-seven million, two hundred seventy thousand, three hundred twenty-four".

Divisors: 1 2 4 37 74 148 1738313 3476626 6953252 64317581 128635162 257270324