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30674136 = 2334329723
BaseRepresentation
bin111010100000…
…0110011011000
32010201102000010
41311000303120
530323033021
63013241520
7521503653
oct165006330
963642003
1030674136
1116350a29
12a3332a0
13647ca9c
14410689a
152a5d976
hex1d40cd8

30674136 has 32 divisors (see below), whose sum is σ = 78471360. Its totient is φ = 9986592.

The previous prime is 30674131. The next prime is 30674167. The reversal of 30674136 is 63147603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30674131) by changing a digit.

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, 13830 + ... + 15893.

It is an arithmetic number, because the mean of its divisors is an integer number (2452230).

Almost surely, 230674136 is an apocalyptic number.

It is an amenable number.

30674136 is an abundant number, since it is smaller than the sum of its proper divisors (47797224).

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

30674136 is a wasteful number, since it uses less digits than its factorization.

30674136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29775 (or 29771 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30674136 is about 5538.4236024342. The cubic root of 30674136 is about 313.0334729961.

The spelling of 30674136 in words is "thirty million, six hundred seventy-four thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 344 516 1032 29723 59446 89169 118892 178338 237784 356676 713352 1278089 2556178 3834267 5112356 7668534 10224712 15337068 30674136