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257073324 = 22355738461
BaseRepresentation
bin11110101001010…
…10000010101100
3122220201200022020
433110222002230
51011302321244
641301550140
76241041624
oct1724520254
9586650266
10257073324
11122124aa2
1272115350
134134b0c1
14261db884
151787ed19
hexf52a0ac

257073324 has 24 divisors (see below), whose sum is σ = 600930288. Its totient is φ = 85535040.

The previous prime is 257073319. The next prime is 257073353. The reversal of 257073324 is 423370752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12547 + ... + 25914.

It is an arithmetic number, because the mean of its divisors is an integer number (25038762).

Almost surely, 2257073324 is an apocalyptic number.

It is an amenable number.

257073324 is an abundant number, since it is smaller than the sum of its proper divisors (343856964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257073324 is a wasteful number, since it uses less digits than its factorization.

257073324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39025 (or 39023 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 257073324 is about 16033.5062915134. The cubic root of 257073324 is about 635.8465770506.

The spelling of 257073324 in words is "two hundred fifty-seven million, seventy-three thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 557 1114 1671 2228 3342 6684 38461 76922 115383 153844 230766 461532 21422777 42845554 64268331 85691108 128536662 257073324