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30670704 = 243370997
BaseRepresentation
bin111010011111…
…1111101110000
32010201020022000
41310333331300
530322430304
63013214000
7521460651
oct164777560
963636260
1030670704
1116349399
12a331300
13647b35c
144105528
152a5c939
hex1d3ff70

30670704 has 40 divisors (see below), whose sum is σ = 88037520. Its totient is φ = 10223424.

The previous prime is 30670643. The next prime is 30670727. The reversal of 30670704 is 40707603.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35067 + ... + 35930.

It is an arithmetic number, because the mean of its divisors is an integer number (2200938).

Almost surely, 230670704 is an apocalyptic number.

It is an amenable number.

30670704 is an abundant number, since it is smaller than the sum of its proper divisors (57366816).

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

30670704 is a wasteful number, since it uses less digits than its factorization.

30670704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71014 (or 71002 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 30670704 is about 5538.1137583116. The cubic root of 30670704 is about 313.0217978947.

The spelling of 30670704 in words is "thirty million, six hundred seventy thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 70997 141994 212991 283988 425982 567976 638973 851964 1135952 1277946 1703928 1916919 2555892 3407856 3833838 5111784 7667676 10223568 15335352 30670704