Search a number
-
+
89726868 = 223271132369
BaseRepresentation
bin1010101100100…
…01111110010100
320020211121010100
411112101332110
5140432224433
612523054100
72136444240
oct526217624
9206747110
1089726868
1146715140
1226071330
131578782a
14bcb9420
157d25b13
hex5591f94

89726868 has 72 divisors (see below), whose sum is σ = 282784320. Its totient is φ = 23304960.

The previous prime is 89726851. The next prime is 89726891. The reversal of 89726868 is 86862798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13413 + ... + 18956.

It is an arithmetic number, because the mean of its divisors is an integer number (3927560).

Almost surely, 289726868 is an apocalyptic number.

It is an amenable number.

89726868 is an abundant number, since it is smaller than the sum of its proper divisors (193057452).

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

89726868 is a wasteful number, since it uses less digits than its factorization.

89726868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32397 (or 32392 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 89726868 is about 9472.4267218068. The cubic root of 89726868 is about 447.6866763792.

The spelling of 89726868 in words is "eighty-nine million, seven hundred twenty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 308 396 462 693 924 1386 2772 32369 64738 97107 129476 194214 226583 291321 356059 388428 453166 582642 679749 712118 906332 1068177 1165284 1359498 1424236 2039247 2136354 2492413 2718996 3204531 4078494 4272708 4984826 6409062 7477239 8156988 9969652 12818124 14954478 22431717 29908956 44863434 89726868