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256414029 = 3131652453
BaseRepresentation
bin11110100100010…
…01000101001101
3122212111011220220
433102021011031
51011120222104
641235501553
76232324524
oct1722110515
9585434826
10256414029
11121814723
1271a578b9
1341179ca1
14260a94bb
151779e7d9
hexf48914d

256414029 has 8 divisors (see below), whose sum is σ = 344495712. Its totient is φ = 169637520.

The previous prime is 256414021. The next prime is 256414061. The reversal of 256414029 is 920414652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 256414029 - 23 = 256414021 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256414021) by changing a digit.

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, 325834 + ... + 326619.

It is an arithmetic number, because the mean of its divisors is an integer number (43061964).

Almost surely, 2256414029 is an apocalyptic number.

It is an amenable number.

256414029 is a deficient number, since it is larger than the sum of its proper divisors (88081683).

256414029 is a wasteful number, since it uses less digits than its factorization.

256414029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652587.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 256414029 is about 16012.9331791524. The cubic root of 256414029 is about 635.3025437431.

The spelling of 256414029 in words is "two hundred fifty-six million, four hundred fourteen thousand, twenty-nine".

Divisors: 1 3 131 393 652453 1957359 85471343 256414029