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30534007 = 721932797
BaseRepresentation
bin111010001111…
…0100101110111
32010110021210011
41310132211313
530304042012
63010241051
7520351300
oct164364567
963407704
1030534007
1116265719
12a286187
13643107a
1440ab7a7
152a321a7
hex1d1e977

30534007 has 12 divisors (see below), whose sum is σ = 37389720. Its totient is φ = 24793776.

The previous prime is 30534001. The next prime is 30534011. The reversal of 30534007 is 70043503.

It is not a de Polignac number, because 30534007 - 211 = 30531959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30534001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15468 + ... + 17329.

It is an arithmetic number, because the mean of its divisors is an integer number (3115810).

Almost surely, 230534007 is an apocalyptic number.

30534007 is a deficient number, since it is larger than the sum of its proper divisors (6855713).

30534007 is a wasteful number, since it uses less digits than its factorization.

30534007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32830 (or 32823 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 30534007 is about 5525.7584999708. The cubic root of 30534007 is about 312.5560671668.

The spelling of 30534007 in words is "thirty million, five hundred thirty-four thousand, seven".

Divisors: 1 7 19 49 133 931 32797 229579 623143 1607053 4362001 30534007