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30740164 = 22713791069
BaseRepresentation
bin111010101000…
…0111011000100
32010211202120121
41311100323010
530332141124
63014511324
7522200320
oct165207304
963752517
1030740164
11163965a4
12a365544
1364a3b60
144122980
152a732e4
hex1d50ec4

30740164 has 48 divisors (see below), whose sum is σ = 67110400. Its totient is φ = 11995776.

The previous prime is 30740147. The next prime is 30740179. The reversal of 30740164 is 46104703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28222 + ... + 29290.

Almost surely, 230740164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30740164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33555200).

30740164 is an abundant number, since it is smaller than the sum of its proper divisors (36370236).

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

30740164 is a wasteful number, since it uses less digits than its factorization.

30740164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 30740164 is about 5544.3813000190. The cubic root of 30740164 is about 313.2579200834.

Adding to 30740164 its reverse (46104703), we get a palindrome (76844867).

The spelling of 30740164 in words is "thirty million, seven hundred forty thousand, one hundred sixty-four".

Divisors: 1 2 4 7 13 14 26 28 52 79 91 158 182 316 364 553 1027 1069 1106 2054 2138 2212 4108 4276 7189 7483 13897 14378 14966 27794 28756 29932 55588 84451 97279 168902 194558 337804 389116 591157 1097863 1182314 2195726 2364628 4391452 7685041 15370082 30740164