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3139974 = 232174443
BaseRepresentation
bin1011111110100110000110
312220112020100
423332212012
51300434344
6151144530
735455305
oct13764606
95815210
103139974
111855122
121075146
1385c296
145ba43c
15420569
hex2fe986

3139974 has 12 divisors (see below), whose sum is σ = 6803316. Its totient is φ = 1046652.

The previous prime is 3139967. The next prime is 3139979. The reversal of 3139974 is 4799313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3139979) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 87204 + ... + 87239.

It is an arithmetic number, because the mean of its divisors is an integer number (566943).

Almost surely, 23139974 is an apocalyptic number.

3139974 is an abundant number, since it is smaller than the sum of its proper divisors (3663342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3139974 is a wasteful number, since it uses less digits than its factorization.

3139974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174451 (or 174448 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3139974 is about 1771.9971783273. The cubic root of 3139974 is about 146.4340308777.

The spelling of 3139974 in words is "three million, one hundred thirty-nine thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 18 174443 348886 523329 1046658 1569987 3139974