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30945112 = 23115932
BaseRepresentation
bin111011000001…
…0111101011000
32011020011201021
41312002331120
530410220422
63023132224
7524012662
oct166027530
964204637
1030945112
1116516580
12a444074
136546223
144177532
152ab3dc7
hex1d82f58

30945112 has 24 divisors (see below), whose sum is σ = 63403740. Its totient is φ = 14042240.

The previous prime is 30945107. The next prime is 30945121. The reversal of 30945112 is 21154903.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 51888 + ... + 52480.

Almost surely, 230945112 is an apocalyptic number.

It is an amenable number.

30945112 is an abundant number, since it is smaller than the sum of its proper divisors (32458628).

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

30945112 is an equidigital number, since it uses as much as digits as its factorization.

30945112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 30945112 is about 5562.8330911506. The cubic root of 30945112 is about 313.9525534488.

The spelling of 30945112 in words is "thirty million, nine hundred forty-five thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 593 1186 2372 4744 6523 13046 26092 52184 351649 703298 1406596 2813192 3868139 7736278 15472556 30945112