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252223456 = 257881983
BaseRepresentation
bin11110000100010…
…01111111100000
3122120121021112111
433002021333200
51004032122311
641010005104
76151602232
oct1702117740
9576537474
10252223456
1111a412241
1270576794
1340340764
14256d8252
1517222d21
hexf089fe0

252223456 has 12 divisors (see below), whose sum is σ = 496564992. Its totient is φ = 126111712.

The previous prime is 252223427. The next prime is 252223457. The reversal of 252223456 is 654322252.

252223456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252223457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3940960 + ... + 3941023.

It is an arithmetic number, because the mean of its divisors is an integer number (41380416).

Almost surely, 2252223456 is an apocalyptic number.

It is an amenable number.

252223456 is a deficient number, since it is larger than the sum of its proper divisors (244341536).

252223456 is an equidigital number, since it uses as much as digits as its factorization.

252223456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881993 (or 7881985 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 252223456 is about 15881.5445092724. The cubic root of 252223456 is about 631.8226014945.

The spelling of 252223456 in words is "two hundred fifty-two million, two hundred twenty-three thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 32 7881983 15763966 31527932 63055864 126111728 252223456