Search a number
-
+
102569225 = 5211372979
BaseRepresentation
bin1100001110100…
…01010100001001
321011000001112012
412013101110021
5202224203400
614102225305
72353552433
oct607212411
9234001465
10102569225
1152996860
122a425235
1318333065
14d89d653
159010d35
hex61d1509

102569225 has 12 divisors (see below), whose sum is σ = 138748560. Its totient is φ = 74595600.

The previous prime is 102569221. The next prime is 102569231. The reversal of 102569225 is 522965201.

It is not a de Polignac number, because 102569225 - 22 = 102569221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102569191 and 102569200.

It is not an unprimeable number, because it can be changed into a prime (102569221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186215 + ... + 186764.

It is an arithmetic number, because the mean of its divisors is an integer number (11562380).

Almost surely, 2102569225 is an apocalyptic number.

It is an amenable number.

102569225 is a deficient number, since it is larger than the sum of its proper divisors (36179335).

102569225 is a wasteful number, since it uses less digits than its factorization.

102569225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373000 (or 372995 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 102569225 is about 10127.6465676879. The cubic root of 102569225 is about 468.1004134138.

The spelling of 102569225 in words is "one hundred two million, five hundred sixty-nine thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 275 372979 1864895 4102769 9324475 20513845 102569225