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30678604 = 22112572713
BaseRepresentation
bin111010100000…
…1111001001100
32010201122010121
41311001321030
530323203404
63013314324
7521522665
oct165017114
963648117
1030678604
1116354320
12a3359a4
136481b28
14410836c
152a5ee54
hex1d41e4c

30678604 has 24 divisors (see below), whose sum is σ = 58817808. Its totient is φ = 13885440.

The previous prime is 30678601. The next prime is 30678629. The reversal of 30678604 is 40687603.

It is a self number, because there is not a number n which added to its sum of digits gives 30678604.

It is not an unprimeable number, because it can be changed into a prime (30678601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9952 + ... + 12664.

It is an arithmetic number, because the mean of its divisors is an integer number (2450742).

Almost surely, 230678604 is an apocalyptic number.

It is an amenable number.

30678604 is a deficient number, since it is larger than the sum of its proper divisors (28139204).

30678604 is a wasteful number, since it uses less digits than its factorization.

30678604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 30678604 is about 5538.8269516207. The cubic root of 30678604 is about 313.0486710950.

The spelling of 30678604 in words is "thirty million, six hundred seventy-eight thousand, six hundred four".

Divisors: 1 2 4 11 22 44 257 514 1028 2713 2827 5426 5654 10852 11308 29843 59686 119372 697241 1394482 2788964 7669651 15339302 30678604