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3890568940 = 2251671164841
BaseRepresentation
bin1110011111100101…
…0101111011101100
3101001010210101020221
43213321111323230
530431441201230
61442020221124
7165261201406
oct34771257354
911033711227
103890568940
111717141035
12906b3a7a4
134a00582cb
1428c9c9b76
1517b85b27a
hexe7e55eec

3890568940 has 24 divisors (see below), whose sum is σ = 8219125152. Its totient is φ = 1546907520.

The previous prime is 3890568919. The next prime is 3890568943. The reversal of 3890568940 is 498650983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3890568943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579081 + ... + 585760.

It is an arithmetic number, because the mean of its divisors is an integer number (342463548).

Almost surely, 23890568940 is an apocalyptic number.

It is an amenable number.

3890568940 is an abundant number, since it is smaller than the sum of its proper divisors (4328556212).

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

3890568940 is a wasteful number, since it uses less digits than its factorization.

3890568940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165017 (or 1165015 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 3890568940 is about 62374.4253680946. The cubic root of 3890568940 is about 1572.7910837030.

The spelling of 3890568940 in words is "three billion, eight hundred ninety million, five hundred sixty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 167 334 668 835 1670 3340 1164841 2329682 4659364 5824205 11648410 23296820 194528447 389056894 778113788 972642235 1945284470 3890568940