Search a number
-
+
89236625625 = 3254725692
BaseRepresentation
bin101001100011011101…
…0101101100011011001
322112100001110021100100
41103012322231203121
52430224034010000
6104554510330013
76306236542200
oct1230672554331
9275301407310
1089236625625
1134932826684
12153651b9909
138551924074
144467788237
1524c433ba00
hex14c6ead8d9

89236625625 has 135 divisors (see below), whose sum is σ = 187697160651. Its totient is φ = 40722192000.

The previous prime is 89236625593. The next prime is 89236625629. The reversal of 89236625625 is 52652663298.

The square root of 89236625625 is 298725.

It is a perfect power (a square), and thus also a powerful number.

89236625625 is a `hidden beast` number, since 8 + 9 + 2 + 3 + 6 + 6 + 2 + 5 + 625 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 87637905369 + 1598720256 = 296037^2 + 39984^2 .

It is not a de Polignac number, because 89236625625 - 25 = 89236625593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89236625629) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 156830341 + ... + 156830909.

Almost surely, 289236625625 is an apocalyptic number.

89236625625 is the 298725-th square number.

89236625625 is the 149363-rd centered octagonal number.

It is an amenable number.

89236625625 is an abundant number, since it is smaller than the sum of its proper divisors (98460535026).

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

89236625625 is an frugal number, since it uses more digits than its factorization.

89236625625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 584 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 89236625625 in words is "eighty-nine billion, two hundred thirty-six million, six hundred twenty-five thousand, six hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 49 63 75 105 125 147 175 225 245 315 375 441 525 569 625 735 875 1125 1225 1575 1707 1875 2205 2625 2845 3675 3983 4375 5121 5625 6125 7875 8535 11025 11949 13125 14225 18375 19915 25605 27881 30625 35847 39375 42675 55125 59745 71125 83643 91875 99575 128025 139405 179235 213375 250929 275625 298725 323761 355625 418215 497875 640125 697025 896175 971283 1066875 1254645 1493625 1618805 2091075 2266327 2489375 2913849 3200625 3485125 4480875 4856415 6273225 6798981 7468125 8094025 10455375 11331635 14569245 15864289 17425625 20396943 22404375 24282075 31366125 33994905 40470125 47592867 52276875 56658175 72846225 79321445 101984715 121410375 142778601 156830625 169974525 202350625 237964335 283290875 364231125 396607225 509923575 607051875 713893005 849872625 1189821675 1416454375 1821155625 1983036125 2549617875 3569465025 4249363125 5949108375 9915180625 12748089375 17847325125 29745541875 89236625625