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3149904 = 243137479
BaseRepresentation
bin1100000001000001010000
312221000212010
430001001100
51301244104
6151302520
735526252
oct14010120
95830763
103149904
11186162a
12107aa40
13863964
145bdcd2
15423489
hex301050

3149904 has 40 divisors (see below), whose sum is σ = 8213760. Its totient is φ = 1040128.

The previous prime is 3149903. The next prime is 3149911. The reversal of 3149904 is 4099413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337 + ... + 6815.

It is an arithmetic number, because the mean of its divisors is an integer number (205344).

Almost surely, 23149904 is an apocalyptic number.

It is an amenable number.

3149904 is an abundant number, since it is smaller than the sum of its proper divisors (5063856).

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

3149904 is a wasteful number, since it uses less digits than its factorization.

3149904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3149904 is about 1774.7968897877. The cubic root of 3149904 is about 146.5882317073.

The spelling of 3149904 in words is "three million, one hundred forty-nine thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 137 274 411 479 548 822 958 1096 1437 1644 1916 2192 2874 3288 3832 5748 6576 7664 11496 22992 65623 131246 196869 262492 393738 524984 787476 1049968 1574952 3149904