102493188 has 60 divisors (see below), whose sum is σ = 306220992. Its totient is φ = 29283120.

The previous prime is 102493169. The next prime is 102493199. The reversal of 102493188 is 881394201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20328 + ... + 24863.

Almost surely, 2^102493188 is an apocalyptic number.

102493188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

102493188 is an abundant number, since it is smaller than the sum of its proper divisors (203727804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102493188 is a wasteful number, since it uses less digits than its factorization.

102493188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45214 (or 45203 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 102493188 is about 10123.8919393680. The cubic root of 102493188 is about 467.9847135046.

The spelling of 102493188 in words is "one hundred two million, four hundred ninety-three thousand, one hundred eighty-eight".