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30055132 = 2241183263
BaseRepresentation
bin111001010100…
…1101011011100
32002112221220001
41302221223130
530143231012
62552104044
7513315202
oct162515334
962487801
1030055132
1115a68958
12a095024
1362c4103
143dc5072
15298a357
hex1ca9adc

30055132 has 12 divisors (see below), whose sum is σ = 53879616. Its totient is φ = 14660960.

The previous prime is 30055111. The next prime is 30055139. The reversal of 30055132 is 23155003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30055139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91468 + ... + 91795.

It is an arithmetic number, because the mean of its divisors is an integer number (4489968).

Almost surely, 230055132 is an apocalyptic number.

It is an amenable number.

30055132 is a deficient number, since it is larger than the sum of its proper divisors (23824484).

30055132 is a wasteful number, since it uses less digits than its factorization.

30055132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183308 (or 183306 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 30055132 is about 5482.2561049261. The cubic root of 30055132 is about 310.9134762733.

The spelling of 30055132 in words is "thirty million, fifty-five thousand, one hundred thirty-two".

Divisors: 1 2 4 41 82 164 183263 366526 733052 7513783 15027566 30055132