Search a number
-
+
380255904 = 2533762873
BaseRepresentation
bin10110101010100…
…011111010100000
3222111112000001000
4112222203322200
51234321142104
6101422112000
712265056540
oct2652437240
9874460030
10380255904
1118570a986
12a741b600
1360a1a7c2
1438705320
15235b3639
hex16aa3ea0

380255904 has 96 divisors (see below), whose sum is σ = 1267539840. Its totient is φ = 108642816.

The previous prime is 380255893. The next prime is 380255921. The reversal of 380255904 is 409552083.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25389 + ... + 37484.

It is an arithmetic number, because the mean of its divisors is an integer number (13203540).

Almost surely, 2380255904 is an apocalyptic number.

It is an amenable number.

380255904 is an abundant number, since it is smaller than the sum of its proper divisors (887283936).

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

380255904 is a wasteful number, since it uses less digits than its factorization.

380255904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62899 (or 62885 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 380255904 is about 19500.1513840278. The cubic root of 380255904 is about 724.4782002022.

The spelling of 380255904 in words is "three hundred eighty million, two hundred fifty-five thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 96 108 112 126 144 168 189 216 224 252 288 336 378 432 504 672 756 864 1008 1512 2016 3024 6048 62873 125746 188619 251492 377238 440111 502984 565857 754476 880222 1005968 1131714 1320333 1508952 1697571 1760444 2011936 2263428 2640666 3017904 3395142 3520888 3960999 4526856 5281332 6035808 6790284 7041776 7921998 9053712 10562664 11882997 13580568 14083552 15843996 18107424 21125328 23765994 27161136 31687992 42250656 47531988 54322272 63375984 95063976 126751968 190127952 380255904