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3143668 = 2211371931
BaseRepresentation
bin1011111111011111110100
312220201022011
423333133310
51301044133
6151214004
735502133
oct13773764
95821264
103143668
111857980
121077304
13860b78
145bb91a
154216cd
hex2ff7f4

3143668 has 24 divisors (see below), whose sum is σ = 6166944. Its totient is φ = 1389600.

The previous prime is 3143641. The next prime is 3143671. The reversal of 3143668 is 8663413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663 + ... + 2593.

It is an arithmetic number, because the mean of its divisors is an integer number (256956).

Almost surely, 23143668 is an apocalyptic number.

It is an amenable number.

3143668 is a deficient number, since it is larger than the sum of its proper divisors (3023276).

3143668 is a wasteful number, since it uses less digits than its factorization.

3143668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1981 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 3143668 is about 1773.0391986643. The cubic root of 3143668 is about 146.4914321306.

The spelling of 3143668 in words is "three million, one hundred forty-three thousand, six hundred sixty-eight".

Divisors: 1 2 4 11 22 37 44 74 148 407 814 1628 1931 3862 7724 21241 42482 71447 84964 142894 285788 785917 1571834 3143668