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30137672 = 235967953
BaseRepresentation
bin111001011110…
…1110101001000
32002201011010002
41302331311020
530203401142
62553542132
7514110635
oct162756510
962634102
1030137672
1116014974
12a114948
136322856
14400718c
1529a4a32
hex1cbdd48

30137672 has 32 divisors (see below), whose sum is σ = 58384800. Its totient is φ = 14577024.

The previous prime is 30137663. The next prime is 30137759. The reversal of 30137672 is 27673103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31148 + ... + 32100.

It is an arithmetic number, because the mean of its divisors is an integer number (1824525).

Almost surely, 230137672 is an apocalyptic number.

It is an amenable number.

30137672 is a deficient number, since it is larger than the sum of its proper divisors (28247128).

30137672 is a wasteful number, since it uses less digits than its factorization.

30137672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 30137672 is about 5489.7788662204. The cubic root of 30137672 is about 311.1978352711.

It can be divided in two parts, 301 and 37672, that added together give a palindrome (37973).

The spelling of 30137672 in words is "thirty million, one hundred thirty-seven thousand, six hundred seventy-two".

Divisors: 1 2 4 8 59 67 118 134 236 268 472 536 953 1906 3812 3953 7624 7906 15812 31624 56227 63851 112454 127702 224908 255404 449816 510808 3767209 7534418 15068836 30137672