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257500114 = 2128750057
BaseRepresentation
bin11110101100100…
…10001111010010
3122221112100202021
433112102033102
51011410000424
641315042054
76244500124
oct1726221722
9587470667
10257500114
11122396713
12722a032a
134146a441
14262ad214
15179164e4
hexf5923d2

257500114 has 4 divisors (see below), whose sum is σ = 386250174. Its totient is φ = 128750056.

The previous prime is 257500109. The next prime is 257500121. The reversal of 257500114 is 411005752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 154132225 + 103367889 = 12415^2 + 10167^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64375027 + ... + 64375030.

Almost surely, 2257500114 is an apocalyptic number.

257500114 is a deficient number, since it is larger than the sum of its proper divisors (128750060).

257500114 is a wasteful number, since it uses less digits than its factorization.

257500114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128750059.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 257500114 is about 16046.8100879895. The cubic root of 257500114 is about 636.1982574169.

Adding to 257500114 its reverse (411005752), we get a palindrome (668505866).

The spelling of 257500114 in words is "two hundred fifty-seven million, five hundred thousand, one hundred fourteen".

Divisors: 1 2 128750057 257500114