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102530210 = 2510253021
BaseRepresentation
bin1100001110001…
…11110010100010
321010221002000012
412013013302202
5202221431320
614101324522
72353330616
oct607076242
9233832005
10102530210
115296a512
122a406742
131831b383
14d88d346
1590044c5
hex61c7ca2

102530210 has 8 divisors (see below), whose sum is σ = 184554396. Its totient is φ = 41012080.

The previous prime is 102530201. The next prime is 102530243. The reversal of 102530210 is 12035201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87030241 + 15499969 = 9329^2 + 3937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5126501 + ... + 5126520.

Almost surely, 2102530210 is an apocalyptic number.

102530210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102530210 is a deficient number, since it is larger than the sum of its proper divisors (82024186).

102530210 is a wasteful number, since it uses less digits than its factorization.

102530210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253028.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102530210 is about 10125.7202212978. The cubic root of 102530210 is about 468.0410543039.

Adding to 102530210 its reverse (12035201), we get a palindrome (114565411).

The spelling of 102530210 in words is "one hundred two million, five hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 10253021 20506042 51265105 102530210