102352690 has 24 divisors (see below), whose sum is σ = 202508460. Its totient is φ = 37218720.

The previous prime is 102352681. The next prime is 102352697. The reversal of 102352690 is 96253201.

It can be written as a sum of positive squares in 2 ways, for example, as 100861849 + 1490841 = 10043^2 + 1221^2 .

It is a super-2 number, since 2×102352690² = 20952146300472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102352697) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 41085 + ... + 43504.

Almost surely, 2^102352690 is an apocalyptic number.

102352690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102352690 is a deficient number, since it is larger than the sum of its proper divisors (100155770).

102352690 is a wasteful number, since it uses less digits than its factorization.

102352690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84618 (or 84607 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 102352690 is about 10116.9506275359. The cubic root of 102352690 is about 467.7707773907.

The spelling of 102352690 in words is "one hundred two million, three hundred fifty-two thousand, six hundred ninety".