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3139984 = 244432
BaseRepresentation
bin1011111110100110010000
312220112020201
423332212100
51300434414
6151144544
735455321
oct13764620
95815221
103139984
111855131
121075154
1385c2a3
145ba448
15420574
hex2fe990

3139984 has 15 divisors (see below), whose sum is σ = 6097483. Its totient is φ = 1566448.

The previous prime is 3139979. The next prime is 3139991. The reversal of 3139984 is 4899313.

The square root of 3139984 is 1772.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6867 + ... + 7309.

Almost surely, 23139984 is an apocalyptic number.

3139984 is the 1772-nd square number.

It is an amenable number.

3139984 is a deficient number, since it is larger than the sum of its proper divisors (2957499).

3139984 is an frugal number, since it uses more digits than its factorization.

3139984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 445 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The cubic root of 3139984 is about 146.4341863290.

The spelling of 3139984 in words is "three million, one hundred thirty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 443 886 1772 3544 7088 196249 392498 784996 1569992 3139984