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225207108 = 22337297893
BaseRepresentation
bin11010110110001…
…10001101000100
3120200202201002000
431123012031010
5430123111413
634202545300
75403141330
oct1533061504
9520681060
10225207108
1110613a485
1263508230
1337871859
1421ca47c0
1514b88073
hexd6c6344

225207108 has 48 divisors (see below), whose sum is σ = 667282560. Its totient is φ = 64344672.

The previous prime is 225207107. The next prime is 225207161. The reversal of 225207108 is 801702522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (225207107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148191 + ... + 149702.

It is an arithmetic number, because the mean of its divisors is an integer number (13901720).

Almost surely, 2225207108 is an apocalyptic number.

225207108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225207108 is an abundant number, since it is smaller than the sum of its proper divisors (442075452).

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

225207108 is a wasteful number, since it uses less digits than its factorization.

225207108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297913 (or 297905 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 225207108 is about 15006.9020120743. The cubic root of 225207108 is about 608.4067605036.

The spelling of 225207108 in words is "two hundred twenty-five million, two hundred seven thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 297893 595786 893679 1191572 1787358 2085251 2681037 3574716 4170502 5362074 6255753 8043111 8341004 10724148 12511506 16086222 18767259 25023012 32172444 37534518 56301777 75069036 112603554 225207108