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30082872 = 2331253453
BaseRepresentation
bin111001011000…
…0011100111000
32002121100221110
41302300130320
530200122442
62552440320
7513462111
oct162603470
962540843
1030082872
1115a87786
12a0a90a0
136303921
143dd1208
15299369c
hex1cb0738

30082872 has 16 divisors (see below), whose sum is σ = 75207240. Its totient is φ = 10027616.

The previous prime is 30082859. The next prime is 30082883. The reversal of 30082872 is 27828003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626703 + ... + 626750.

Almost surely, 230082872 is an apocalyptic number.

It is an amenable number.

30082872 is an abundant number, since it is smaller than the sum of its proper divisors (45124368).

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

30082872 is a wasteful number, since it uses less digits than its factorization.

30082872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253462 (or 1253458 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 30082872 is about 5484.7855017311. The cubic root of 30082872 is about 311.0091015144.

The spelling of 30082872 in words is "thirty million, eighty-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 1253453 2506906 3760359 5013812 7520718 10027624 15041436 30082872