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30161007 = 323351223
BaseRepresentation
bin111001100001…
…1100001101111
32002202100010100
41303003201233
530210123012
62554242143
7514235652
oct163034157
962670110
1030161007
1116030458
12a126353
136330366
144011899
1529ab8dc
hex1cc386f

30161007 has 6 divisors (see below), whose sum is σ = 43565912. Its totient is φ = 20107332.

The previous prime is 30160969. The next prime is 30161011. The reversal of 30161007 is 70016103.

It is not a de Polignac number, because 30161007 - 212 = 30156911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30161107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1675603 + ... + 1675620.

Almost surely, 230161007 is an apocalyptic number.

30161007 is a deficient number, since it is larger than the sum of its proper divisors (13404905).

30161007 is a wasteful number, since it uses less digits than its factorization.

30161007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351229 (or 3351226 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 30161007 is about 5491.9037682756. The cubic root of 30161007 is about 311.2781326485.

The spelling of 30161007 in words is "thirty million, one hundred sixty-one thousand, seven".

Divisors: 1 3 9 3351223 10053669 30161007