102493228 has 12 divisors (see below), whose sum is σ = 179465832. Its totient is φ = 51217280.

The previous prime is 102493217. The next prime is 102493231. The reversal of 102493228 is 822394201.

It is a self number, because there is not a number n which added to its sum of digits gives 102493228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (14955486).

Almost surely, 2^102493228 is an apocalyptic number.

It is an amenable number.

102493228 is a deficient number, since it is larger than the sum of its proper divisors (76972604).

102493228 is a wasteful number, since it uses less digits than its factorization.

102493228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14672 (or 14670 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 102493228 is about 10123.8939148926. The cubic root of 102493228 is about 467.9847743847.

The spelling of 102493228 in words is "one hundred two million, four hundred ninety-three thousand, two hundred twenty-eight".