Search a number
-
+
382991112 = 23337318171
BaseRepresentation
bin10110110100111…
…111101100001000
3222200122222001000
4112310333230020
51241021203422
6102000455000
712330241110
oct2664775410
9880588030
10382991112
11187208989
12a831a460
136146777a
1438c18040
1523953cac
hex16d3fb08

382991112 has 128 divisors (see below), whose sum is σ = 1255219200. Its totient is φ = 105883200.

The previous prime is 382991093. The next prime is 382991137. The reversal of 382991112 is 211199283.

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42787 + ... + 50957.

It is an arithmetic number, because the mean of its divisors is an integer number (9806400).

Almost surely, 2382991112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382991112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627609600).

382991112 is an abundant number, since it is smaller than the sum of its proper divisors (872228088).

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

382991112 is a wasteful number, since it uses less digits than its factorization.

382991112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8224 (or 8214 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 382991112 is about 19570.1587116712. The cubic root of 382991112 is about 726.2111263573.

The spelling of 382991112 in words is "three hundred eighty-two million, nine hundred ninety-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 31 36 42 54 56 62 63 72 84 93 108 124 126 168 186 189 216 217 248 252 279 372 378 434 504 558 651 744 756 837 868 1116 1302 1512 1674 1736 1953 2232 2604 3348 3906 5208 5859 6696 7812 8171 11718 15624 16342 23436 24513 32684 46872 49026 57197 65368 73539 98052 114394 147078 171591 196104 220617 228788 253301 294156 343182 441234 457576 506602 514773 588312 686364 759903 882468 1013204 1029546 1372728 1519806 1544319 1764936 1773107 2026408 2059092 2279709 3039612 3088638 3546214 4118184 4559418 5319321 6079224 6177276 6839127 7092428 9118836 10638642 12354552 13678254 14184856 15957963 18237672 21277284 27356508 31915926 42554568 47873889 54713016 63831852 95747778 127663704 191495556 382991112