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225968799 = 3773223661
BaseRepresentation
bin11010111100000…
…00001010011111
3120202012101220210
431132000022133
5430322000144
634231143503
75412463110
oct1536001237
9522171823
10225968799
1110660a781
1263814b93
1337a7a464
1422022207
1514c88ab9
hexd78029f

225968799 has 32 divisors (see below), whose sum is σ = 351145984. Its totient is φ = 126593280.

The previous prime is 225968797. The next prime is 225968807. The reversal of 225968799 is 997869522.

225968799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225968799 - 21 = 225968797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225968797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341529 + ... + 342189.

It is an arithmetic number, because the mean of its divisors is an integer number (10973312).

Almost surely, 2225968799 is an apocalyptic number.

225968799 is a deficient number, since it is larger than the sum of its proper divisors (125177185).

225968799 is a wasteful number, since it uses less digits than its factorization.

225968799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its digits is 4898880, while the sum is 57.

The square root of 225968799 is about 15032.2586127302. The cubic root of 225968799 is about 609.0919024056.

The spelling of 225968799 in words is "two hundred twenty-five million, nine hundred sixty-eight thousand, seven hundred ninety-nine".

Divisors: 1 3 7 21 73 219 223 511 661 669 1533 1561 1983 4627 4683 13881 16279 48253 48837 113953 144759 147403 337771 341859 442209 1013313 1031821 3095463 10760419 32281257 75322933 225968799