Search a number
-
+
88821225 = 3352181727
BaseRepresentation
bin1010100101101…
…00110111101001
320012010120211000
411102310313221
5140214234400
612451425213
72125653003
oct522646751
9205116730
1088821225
1146156779
12258b5209
131552b54c
14bb21373
157be7600
hex54b4de9

88821225 has 48 divisors (see below), whose sum is σ = 164295040. Its totient is φ = 47044800.

The previous prime is 88821223. The next prime is 88821233. The reversal of 88821225 is 52212888.

It is a happy number.

It is not a de Polignac number, because 88821225 - 21 = 88821223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88821225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88821221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121812 + ... + 122538.

Almost surely, 288821225 is an apocalyptic number.

It is an amenable number.

88821225 is a deficient number, since it is larger than the sum of its proper divisors (75473815).

88821225 is a wasteful number, since it uses less digits than its factorization.

88821225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 916 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 88821225 is about 9424.5013130669. The cubic root of 88821225 is about 446.1753635503.

The spelling of 88821225 in words is "eighty-eight million, eight hundred twenty-one thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 181 225 543 675 727 905 1629 2181 2715 3635 4525 4887 6543 8145 10905 13575 18175 19629 24435 32715 40725 54525 98145 122175 131587 163575 394761 490725 657935 1184283 1973805 3289675 3552849 5921415 9869025 17764245 29607075 88821225