Search a number
-
+
72263016 = 2334789179
BaseRepresentation
bin1000100111010…
…10010101101000
312000222100020000
410103222111220
5121444404031
611100503000
71535140230
oct423522550
9160870200
1072263016
1137877301
122024aa60
1311c818a7
149850cc0
1565263e6
hex44ea568

72263016 has 160 divisors (see below), whose sum is σ = 235224000. Its totient is φ = 20300544.

The previous prime is 72262997. The next prime is 72263021. The reversal of 72263016 is 61036227.

It is a happy number.

72263016 is a `hidden beast` number, since 7 + 22 + 630 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 403615 + ... + 403793.

It is an arithmetic number, because the mean of its divisors is an integer number (1470150).

Almost surely, 272263016 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 72263016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117612000).

72263016 is an abundant number, since it is smaller than the sum of its proper divisors (162960984).

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

72263016 is a wasteful number, since it uses less digits than its factorization.

72263016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 72263016 is about 8500.7656125787. The cubic root of 72263016 is about 416.5227187731.

The spelling of 72263016 in words is "seventy-two million, two hundred sixty-three thousand, sixteen".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 81 84 89 108 126 162 168 178 179 189 216 252 267 324 356 358 378 504 534 537 567 623 648 712 716 756 801 1068 1074 1134 1246 1253 1432 1512 1602 1611 1869 2136 2148 2268 2403 2492 2506 3204 3222 3738 3759 4296 4536 4806 4833 4984 5012 5607 6408 6444 7209 7476 7518 9612 9666 10024 11214 11277 12888 14418 14499 14952 15036 15931 16821 19224 19332 22428 22554 28836 28998 30072 31862 33642 33831 38664 44856 45108 47793 50463 57672 57996 63724 67284 67662 90216 95586 100926 101493 111517 115992 127448 134568 135324 143379 191172 201852 202986 223034 270648 286758 334551 382344 403704 405972 430137 446068 573516 669102 811944 860274 892136 1003653 1147032 1290411 1338204 1720548 2007306 2580822 2676408 3010959 3441096 4014612 5161644 6021918 8029224 9032877 10323288 12043836 18065754 24087672 36131508 72263016