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30941588 = 2218142737
BaseRepresentation
bin111011000001…
…0000110010100
32011012222212202
41312002012110
530410112323
63023104032
7523666466
oct166020624
964188782
1030941588
1116513967
12a442018
136544742
144176136
152ab2d28
hex1d82194

30941588 has 12 divisors (see below), whose sum is σ = 54448212. Its totient is φ = 15384960.

The previous prime is 30941563. The next prime is 30941611. The reversal of 30941588 is 88514903.

It can be written as a sum of positive squares in 2 ways, for example, as 8832784 + 22108804 = 2972^2 + 4702^2 .

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, 20645 + ... + 22092.

It is an arithmetic number, because the mean of its divisors is an integer number (4537351).

Almost surely, 230941588 is an apocalyptic number.

It is an amenable number.

30941588 is a deficient number, since it is larger than the sum of its proper divisors (23506624).

30941588 is a wasteful number, since it uses less digits than its factorization.

30941588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42922 (or 42920 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 30941588 is about 5562.5163370547. The cubic root of 30941588 is about 313.9406354567.

The spelling of 30941588 in words is "thirty million, nine hundred forty-one thousand, five hundred eighty-eight".

Divisors: 1 2 4 181 362 724 42737 85474 170948 7735397 15470794 30941588