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225120952 = 2374020017
BaseRepresentation
bin11010110101100…
…01001010111000
3120200121022220001
431122301022320
5430112332302
634201042344
75402332210
oct1532611270
9520538801
10225120952
11106090781
12634863b4
1337841584
1421c81240
1514b6c787
hexd6b12b8

225120952 has 16 divisors (see below), whose sum is σ = 482402160. Its totient is φ = 96480384.

The previous prime is 225120943. The next prime is 225120979. The reversal of 225120952 is 259021522.

225120952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 225120952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009953 + ... + 2010064.

It is an arithmetic number, because the mean of its divisors is an integer number (30150135).

Almost surely, 2225120952 is an apocalyptic number.

It is an amenable number.

225120952 is an abundant number, since it is smaller than the sum of its proper divisors (257281208).

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

225120952 is a wasteful number, since it uses less digits than its factorization.

225120952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020030 (or 4020026 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 225120952 is about 15004.0311916498. The cubic root of 225120952 is about 608.3291658854.

The spelling of 225120952 in words is "two hundred twenty-five million, one hundred twenty thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 4020017 8040034 16080068 28140119 32160136 56280238 112560476 225120952