Search a number
-
+
102230225 = 524089209
BaseRepresentation
bin1100001011111…
…10100011010001
321010100211111122
412011332203101
5202132331400
614051052025
72350641206
oct605764321
9233324448
10102230225
1152785099
122a2a1015
1318244976
14d811cad
158e95685
hex617e8d1

102230225 has 6 divisors (see below), whose sum is σ = 126765510. Its totient is φ = 81784160.

The previous prime is 102230207. The next prime is 102230237. The reversal of 102230225 is 522032201.

It can be written as a sum of positive squares in 3 ways, for example, as 543169 + 101687056 = 737^2 + 10084^2 .

It is not a de Polignac number, because 102230225 - 28 = 102229969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2044580 + ... + 2044629.

It is an arithmetic number, because the mean of its divisors is an integer number (21127585).

Almost surely, 2102230225 is an apocalyptic number.

It is an amenable number.

102230225 is a deficient number, since it is larger than the sum of its proper divisors (24535285).

102230225 is an equidigital number, since it uses as much as digits as its factorization.

102230225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089219 (or 4089214 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 102230225 is about 10110.8963499781. The cubic root of 102230225 is about 467.5841403457.

Adding to 102230225 its reverse (522032201), we get a palindrome (624262426).

The spelling of 102230225 in words is "one hundred two million, two hundred thirty thousand, two hundred twenty-five".

Divisors: 1 5 25 4089209 20446045 102230225