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30974060 = 22513119131
BaseRepresentation
bin111011000101…
…0000001101100
32011021122102102
41312022001230
530412132220
63023514232
7524163245
oct166120154
964248372
1030974060
11165362a7
12a458978
136556460
144183ccc
152abc775
hex1d8a06c

30974060 has 24 divisors (see below), whose sum is σ = 70049616. Its totient is φ = 11436480.

The previous prime is 30974029. The next prime is 30974107. The reversal of 30974060 is 6047903.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59306 + ... + 59825.

It is an arithmetic number, because the mean of its divisors is an integer number (2918734).

Almost surely, 230974060 is an apocalyptic number.

It is an amenable number.

30974060 is an abundant number, since it is smaller than the sum of its proper divisors (39075556).

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

30974060 is a wasteful number, since it uses less digits than its factorization.

30974060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119153 (or 119151 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30974060 is about 5565.4343945464. The cubic root of 30974060 is about 314.0504199127.

The spelling of 30974060 in words is "thirty million, nine hundred seventy-four thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 119131 238262 476524 595655 1191310 1548703 2382620 3097406 6194812 7743515 15487030 30974060