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3143490 = 235714969
BaseRepresentation
bin1011111111011101000010
312220201001120
423333131002
51301042430
6151213110
735501460
oct13773502
95821046
103143490
111857829
121077196
13860a6c
145bb830
15421610
hex2ff742

3143490 has 32 divisors (see below), whose sum is σ = 8622720. Its totient is φ = 718464.

The previous prime is 3143477. The next prime is 3143533. The reversal of 3143490 is 943413.

It is a self number, because there is not a number n which added to its sum of digits gives 3143490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7275 + ... + 7694.

It is an arithmetic number, because the mean of its divisors is an integer number (269460).

Almost surely, 23143490 is an apocalyptic number.

3143490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3143490 is an abundant number, since it is smaller than the sum of its proper divisors (5479230).

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

3143490 is a wasteful number, since it uses less digits than its factorization.

3143490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14986.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3143490 is about 1772.9890016579. The cubic root of 3143490 is about 146.4886672111.

The spelling of 3143490 in words is "three million, one hundred forty-three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 14969 29938 44907 74845 89814 104783 149690 209566 224535 314349 449070 523915 628698 1047830 1571745 3143490