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253062427 = 971372139
BaseRepresentation
bin11110001010101…
…10110100011011
3122122011220101111
433011112310123
51004240444202
641040001151
76161665222
oct1705266433
9578156344
10253062427
1111a935602
12709001b7
13405755a7
1425875cb9
151733b6d7
hexf156d1b

253062427 has 12 divisors (see below), whose sum is σ = 259404040. Its totient is φ = 246836736.

The previous prime is 253062419. The next prime is 253062437. The reversal of 253062427 is 724260352.

It is not a de Polignac number, because 253062427 - 23 = 253062419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253062437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1820524 + ... + 1820662.

Almost surely, 2253062427 is an apocalyptic number.

253062427 is a deficient number, since it is larger than the sum of its proper divisors (6341613).

253062427 is an equidigital number, since it uses as much as digits as its factorization.

253062427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 253062427 is about 15907.9359754809. The cubic root of 253062427 is about 632.5223701254.

The spelling of 253062427 in words is "two hundred fifty-three million, sixty-two thousand, four hundred twenty-seven".

Divisors: 1 97 137 139 13289 13483 18769 19043 1820593 1847171 2608891 253062427