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256264036 = 22716356149
BaseRepresentation
bin11110100011001…
…00011101100100
3122212012120011121
433101210131210
51011100422121
641232343324
76231131320
oct1721443544
9585176147
10256264036
11121721a66
12719a4b44
1341126932
142606a980
1517770141
hexf464764

256264036 has 24 divisors (see below), whose sum is σ = 515681600. Its totient is φ = 109151712.

The previous prime is 256264031. The next prime is 256264061. The reversal of 256264036 is 630462652.

256264036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2562640362 = 131342512294018592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256263992 and 256264010.

It is not an unprimeable number, because it can be changed into a prime (256264031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23511 + ... + 32638.

Almost surely, 2256264036 is an apocalyptic number.

It is an amenable number.

256264036 is an abundant number, since it is smaller than the sum of its proper divisors (259417564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256264036 is a wasteful number, since it uses less digits than its factorization.

256264036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56323 (or 56321 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 256264036 is about 16008.2489985632. The cubic root of 256264036 is about 635.1786431887.

The spelling of 256264036 in words is "two hundred fifty-six million, two hundred sixty-four thousand, thirty-six".

Divisors: 1 2 4 7 14 28 163 326 652 1141 2282 4564 56149 112298 224596 393043 786086 1572172 9152287 18304574 36609148 64066009 128132018 256264036