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4256972 = 221064243
BaseRepresentation
bin10000001111010011001100
322000021110122
4100033103030
52042210342
6231124112
751116666
oct20172314
98007418
104256972
112448365
121513638
13b60825
147cb536
155914d2
hex40f4cc

4256972 has 6 divisors (see below), whose sum is σ = 7449708. Its totient is φ = 2128484.

The previous prime is 4256963. The next prime is 4256977. The reversal of 4256972 is 2796524.

It is not an unprimeable number, because it can be changed into a prime (4256977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532118 + ... + 532125.

It is an arithmetic number, because the mean of its divisors is an integer number (1241618).

Almost surely, 24256972 is an apocalyptic number.

It is an amenable number.

4256972 is a deficient number, since it is larger than the sum of its proper divisors (3192736).

4256972 is a wasteful number, since it uses less digits than its factorization.

4256972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064247 (or 1064245 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 4256972 is about 2063.2430782630. The cubic root of 4256972 is about 162.0691164711.

The spelling of 4256972 in words is "four million, two hundred fifty-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 1064243 2128486 4256972