102780304 has 30 divisors (see below), whose sum is σ = 218890070. Its totient is φ = 46717440.

The previous prime is 102780289. The next prime is 102780313. The reversal of 102780304 is 403087201.

It can be written as a sum of positive squares in only one way, i.e., 64834704 + 37945600 = 8052^2 + 6160^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24609 + ... + 28480.

Almost surely, 2^102780304 is an apocalyptic number.

It is an amenable number.

102780304 is an abundant number, since it is smaller than the sum of its proper divisors (116109766).

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

102780304 is a wasteful number, since it uses less digits than its factorization.

102780304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53119 (or 53102 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 102780304 is about 10138.0621422440. The cubic root of 102780304 is about 468.4212974030.

The spelling of 102780304 in words is "one hundred two million, seven hundred eighty thousand, three hundred four".