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30232372 = 2226928097
BaseRepresentation
bin111001101010…
…0111100110100
32002212222000111
41303110330310
530214413442
62555552404
7514654012
oct163247464
962788014
1030232372
111607a035
12a15b704
1363569a1
14402d8b2
1529c2b17
hex1cd4f34

30232372 has 12 divisors (see below), whose sum is σ = 53105220. Its totient is φ = 15059456.

The previous prime is 30232339. The next prime is 30232381. The reversal of 30232372 is 27323203.

It can be written as a sum of positive squares in 2 ways, for example, as 682276 + 29550096 = 826^2 + 5436^2 .

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, 12973 + ... + 15124.

It is an arithmetic number, because the mean of its divisors is an integer number (4425435).

Almost surely, 230232372 is an apocalyptic number.

It is an amenable number.

30232372 is a deficient number, since it is larger than the sum of its proper divisors (22872848).

30232372 is a wasteful number, since it uses less digits than its factorization.

30232372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28370 (or 28368 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 30232372 is about 5498.3972210090. The cubic root of 30232372 is about 311.5234479127.

Adding to 30232372 its reverse (27323203), we get a palindrome (57555575).

The spelling of 30232372 in words is "thirty million, two hundred thirty-two thousand, three hundred seventy-two".

Divisors: 1 2 4 269 538 1076 28097 56194 112388 7558093 15116186 30232372