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3139172 = 224318251
BaseRepresentation
bin1011111110011001100100
312220111010122
423332121210
51300423142
6151141112
735453051
oct13763144
95814118
103139172
111854563
121074798
1385baca
145ba028
154201d2
hex2fe664

3139172 has 12 divisors (see below), whose sum is σ = 5621616. Its totient is φ = 1533000.

The previous prime is 3139141. The next prime is 3139187. The reversal of 3139172 is 2719313.

3139172 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8954 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (468468).

Almost surely, 23139172 is an apocalyptic number.

It is an amenable number.

3139172 is a deficient number, since it is larger than the sum of its proper divisors (2482444).

3139172 is a wasteful number, since it uses less digits than its factorization.

3139172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18298 (or 18296 counting only the distinct ones).

The product of its digits is 1134, while the sum is 26.

The square root of 3139172 is about 1771.7708655467. The cubic root of 3139172 is about 146.4215626118.

The spelling of 3139172 in words is "three million, one hundred thirty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 43 86 172 18251 36502 73004 784793 1569586 3139172