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384957680 = 24512133967
BaseRepresentation
bin10110111100011…
…111110011110000
3222211100212122212
4112330133303300
51242022121210
6102110551252
712353041412
oct2674376360
9884325585
10384957680
11188331448
12a8b08528
13619a5913
14391aa9b2
1523be1805
hex16f1fcf0

384957680 has 40 divisors (see below), whose sum is σ = 895990272. Its totient is φ = 153817344.

The previous prime is 384957653. The next prime is 384957691. The reversal of 384957680 is 86759483.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 95057 + ... + 99023.

Almost surely, 2384957680 is an apocalyptic number.

It is an amenable number.

384957680 is an abundant number, since it is smaller than the sum of its proper divisors (511032592).

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

384957680 is a wasteful number, since it uses less digits than its factorization.

384957680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193 (or 5187 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 384957680 is about 19620.3384272545. The cubic root of 384957680 is about 727.4519785814.

The spelling of 384957680 in words is "three hundred eighty-four million, nine hundred fifty-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1213 2426 3967 4852 6065 7934 9704 12130 15868 19408 19835 24260 31736 39670 48520 63472 79340 97040 158680 317360 4811971 9623942 19247884 24059855 38495768 48119710 76991536 96239420 192478840 384957680