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102502252 = 22197130079
BaseRepresentation
bin1100001110000…
…00111101101100
321010212122122201
412013000331230
5202220033002
614100551244
72353153246
oct607007554
9233778581
10102502252
1152950506
122a3b2524
131830b728
14d883096
158eeb087
hex61c0f6c

102502252 has 12 divisors (see below), whose sum is σ = 180290880. Its totient is φ = 50990576.

The previous prime is 102502243. The next prime is 102502271. The reversal of 102502252 is 252205201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64252 + ... + 65827.

It is an arithmetic number, because the mean of its divisors is an integer number (15024240).

Almost surely, 2102502252 is an apocalyptic number.

It is an amenable number.

102502252 is a deficient number, since it is larger than the sum of its proper divisors (77788628).

102502252 is a wasteful number, since it uses less digits than its factorization.

102502252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130280 (or 130278 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 102502252 is about 10124.3395834000. The cubic root of 102502252 is about 467.9985085301.

Adding to 102502252 its reverse (252205201), we get a palindrome (354707453).

The spelling of 102502252 in words is "one hundred two million, five hundred two thousand, two hundred fifty-two".

Divisors: 1 2 4 197 394 788 130079 260158 520316 25625563 51251126 102502252