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256796948 = 2264199237
BaseRepresentation
bin11110100111001…
…10100100010100
3122220012122012002
433103212210110
51011220000243
641252014432
76235511102
oct1723464424
9586178162
10256796948
11121a56391
1272001418
1341282375
1426168c72
1517827eb8
hexf4e6914

256796948 has 6 divisors (see below), whose sum is σ = 449394666. Its totient is φ = 128398472.

The previous prime is 256796929. The next prime is 256796957. The reversal of 256796948 is 849697652.

It is a happy number.

256796948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 167909764 + 88887184 = 12958^2 + 9428^2 .

It is a super-2 number, since 2×2567969482 = 131889345004229408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256796893 and 256796902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32099615 + ... + 32099622.

It is an arithmetic number, because the mean of its divisors is an integer number (74899111).

Almost surely, 2256796948 is an apocalyptic number.

It is an amenable number.

256796948 is a deficient number, since it is larger than the sum of its proper divisors (192597718).

256796948 is a wasteful number, since it uses less digits than its factorization.

256796948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64199241 (or 64199239 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 56.

The square root of 256796948 is about 16024.8852726002. The cubic root of 256796948 is about 635.6186320368.

The spelling of 256796948 in words is "two hundred fifty-six million, seven hundred ninety-six thousand, nine hundred forty-eight".

Divisors: 1 2 4 64199237 128398474 256796948