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257225014 = 259236947
BaseRepresentation
bin11110101010011…
…11000100110110
3122221000101101101
433111033010312
51011322200024
641305120314
76242243104
oct1725170466
9587011341
10257225014
11122218a62
127218909a
13413a2167
142623ac74
15178aec44
hexf54f136

257225014 has 12 divisors (see below), whose sum is σ = 392498604. Its totient is φ = 126429212.

The previous prime is 257225009. The next prime is 257225039. The reversal of 257225014 is 410522752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11512 + ... + 25435.

It is an arithmetic number, because the mean of its divisors is an integer number (32708217).

Almost surely, 2257225014 is an apocalyptic number.

257225014 is a deficient number, since it is larger than the sum of its proper divisors (135273590).

257225014 is an equidigital number, since it uses as much as digits as its factorization.

257225014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37067 (or 37008 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 257225014 is about 16038.2360002589. The cubic root of 257225014 is about 635.9716160876.

Adding to 257225014 its reverse (410522752), we get a palindrome (667747766).

The spelling of 257225014 in words is "two hundred fifty-seven million, two hundred twenty-five thousand, fourteen".

Divisors: 1 2 59 118 3481 6962 36947 73894 2179873 4359746 128612507 257225014