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30175412 = 227543853
BaseRepresentation
bin111001100011…
…1000010110100
32002210001212212
41303013002310
530211103122
62554432552
7514325651
oct163070264
962701785
1030175412
1116040263
12a132758
136336a97
144016c28
1529b0ce2
hex1cc70b4

30175412 has 6 divisors (see below), whose sum is σ = 52806978. Its totient is φ = 15087704.

The previous prime is 30175403. The next prime is 30175417. The reversal of 30175412 is 21457103.

It can be written as a sum of positive squares in only one way, i.e., 29203216 + 972196 = 5404^2 + 986^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30175417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771923 + ... + 3771930.

It is an arithmetic number, because the mean of its divisors is an integer number (8801163).

Almost surely, 230175412 is an apocalyptic number.

It is an amenable number.

30175412 is a deficient number, since it is larger than the sum of its proper divisors (22631566).

30175412 is a wasteful number, since it uses less digits than its factorization.

30175412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7543857 (or 7543855 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 30175412 is about 5493.2150877241. The cubic root of 30175412 is about 311.3276805945.

The spelling of 30175412 in words is "thirty million, one hundred seventy-five thousand, four hundred twelve".

Divisors: 1 2 4 7543853 15087706 30175412