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3143690 = 251128579
BaseRepresentation
bin1011111111100000001010
312220201022222
423333200022
51301044230
6151214042
735502164
oct13774012
95821288
103143690
1118579a0
121077322
13860b94
145bb934
154216e5
hex2ff80a

3143690 has 16 divisors (see below), whose sum is σ = 6173280. Its totient is φ = 1143120.

The previous prime is 3143671. The next prime is 3143711. The reversal of 3143690 is 963413.

It is a super-2 number, since 2×31436902 = 19765573632200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14180 + ... + 14399.

It is an arithmetic number, because the mean of its divisors is an integer number (385830).

Almost surely, 23143690 is an apocalyptic number.

3143690 is a deficient number, since it is larger than the sum of its proper divisors (3029590).

3143690 is a wasteful number, since it uses less digits than its factorization.

3143690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28597.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3143690 is about 1773.0454026900. The cubic root of 3143690 is about 146.4917738550.

It can be divided in two parts, 314 and 3690, that added together give a palindrome (4004).

The spelling of 3143690 in words is "three million, one hundred forty-three thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 28579 57158 142895 285790 314369 628738 1571845 3143690