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3143688 = 233130987
BaseRepresentation
bin1011111111100000001000
312220201022220
423333200020
51301044223
6151214040
735502162
oct13774010
95821286
103143688
111857999
121077320
13860b92
145bb932
154216e3
hex2ff808

3143688 has 16 divisors (see below), whose sum is σ = 7859280. Its totient is φ = 1047888.

The previous prime is 3143671. The next prime is 3143711. The reversal of 3143688 is 8863413.

3143688 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65470 + ... + 65517.

It is an arithmetic number, because the mean of its divisors is an integer number (491205).

Almost surely, 23143688 is an apocalyptic number.

It is an amenable number.

3143688 is an abundant number, since it is smaller than the sum of its proper divisors (4715592).

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

3143688 is a wasteful number, since it uses less digits than its factorization.

3143688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130996 (or 130992 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 3143688 is about 1773.0448386885. The cubic root of 3143688 is about 146.4917427892.

The spelling of 3143688 in words is "three million, one hundred forty-three thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 130987 261974 392961 523948 785922 1047896 1571844 3143688