100193880 has 32 divisors (see below), whose sum is σ = 300582000. Its totient is φ = 26718336.

The previous prime is 100193879. The next prime is 100193893. The reversal of 100193880 is 88391001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417355 + ... + 417594.

Almost surely, 2^100193880 is an apocalyptic number.

100193880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100193880 is an abundant number, since it is smaller than the sum of its proper divisors (200388120).

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

100193880 is a wasteful number, since it uses less digits than its factorization.

100193880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834963 (or 834959 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 100193880 is about 10009.6893058676. The cubic root of 100193880 is about 464.4586601233.

The spelling of 100193880 in words is "one hundred million, one hundred ninety-three thousand, eight hundred eighty".