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256254314 = 2128127157
BaseRepresentation
bin11110100011000…
…10000101101010
3122212012001211112
433101202011222
51011100114224
641232230322
76231061061
oct1721420552
9585161745
10256254314
11121715728
127199b3a2
1341122394
14260671d8
151776c30e
hexf46216a

256254314 has 4 divisors (see below), whose sum is σ = 384381474. Its totient is φ = 128127156.

The previous prime is 256254307. The next prime is 256254337. The reversal of 256254314 is 413452652.

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., 130074025 + 126180289 = 11405^2 + 11233^2 .

It is a super-3 number, since 3×2562543143 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 as a sum of consecutive naturals, namely, 64063577 + ... + 64063580.

Almost surely, 2256254314 is an apocalyptic number.

256254314 is a deficient number, since it is larger than the sum of its proper divisors (128127160).

256254314 is a wasteful number, since it uses less digits than its factorization.

256254314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128127159.

The product of its digits is 28800, while the sum is 32.

The square root of 256254314 is about 16007.9453397368. The cubic root of 256254314 is about 635.1706107378.

The spelling of 256254314 in words is "two hundred fifty-six million, two hundred fifty-four thousand, three hundred fourteen".

Divisors: 1 2 128127157 256254314