[go: up one dir, main page]

Search a number
-
+
68629572 = 223311411409
BaseRepresentation
bin1000001011100…
…11010001000100
311210010202002000
410011303101010
5120032121242
610450545300
71462225134
oct405632104
9153122060
1068629572
1135815460
121ab98230
13112abb1b
149186ac4
156059a4c
hex4173444

68629572 has 96 divisors (see below), whose sum is σ = 198979200. Its totient is φ = 20275200.

The previous prime is 68629571. The next prime is 68629579. The reversal of 68629572 is 27592686.

It is not an unprimeable number, because it can be changed into a prime (68629571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48004 + ... + 49412.

It is an arithmetic number, because the mean of its divisors is an integer number (2072700).

Almost surely, 268629572 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 68629572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99489600).

68629572 is an abundant number, since it is smaller than the sum of its proper divisors (130349628).

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

68629572 is a wasteful number, since it uses less digits than its factorization.

68629572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1466 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 68629572 is about 8284.2967112483. The cubic root of 68629572 is about 409.4212973842.

The spelling of 68629572 in words is "sixty-eight million, six hundred twenty-nine thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 41 44 54 66 82 99 108 123 132 164 198 246 297 369 396 451 492 594 738 902 1107 1188 1353 1409 1476 1804 2214 2706 2818 4059 4227 4428 5412 5636 8118 8454 12177 12681 15499 16236 16908 24354 25362 30998 38043 46497 48708 50724 57769 61996 76086 92994 115538 139491 152172 173307 185988 231076 278982 346614 418473 519921 557964 635459 693228 836946 1039842 1270918 1559763 1673892 1906377 2079684 2541836 3119526 3812754 5719131 6239052 7625508 11438262 17157393 22876524 34314786 68629572