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30179201 = 1319612003
BaseRepresentation
bin111001100011…
…1111110000001
32002210021002012
41303013332001
530211213301
62554502305
7514343003
oct163077601
962707065
1030179201
1116043098
12a134995
136338720
144018373
1529b1ebb
hex1cc7f81

30179201 has 16 divisors (see below), whose sum is σ = 34789440. Its totient is φ = 25945920.

The previous prime is 30179179. The next prime is 30179209. The reversal of 30179201 is 10297103.

It is not a de Polignac number, because 30179201 - 214 = 30162817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30179209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14066 + ... + 16068.

It is an arithmetic number, because the mean of its divisors is an integer number (2174340).

Almost surely, 230179201 is an apocalyptic number.

It is an amenable number.

30179201 is a deficient number, since it is larger than the sum of its proper divisors (4610239).

30179201 is a wasteful number, since it uses less digits than its factorization.

30179201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 30179201 is about 5493.5599568950. The cubic root of 30179201 is about 311.3407107531.

The spelling of 30179201 in words is "thirty million, one hundred seventy-nine thousand, two hundred one".

Divisors: 1 13 19 61 247 793 1159 2003 15067 26039 38057 122183 494741 1588379 2321477 30179201