100238930 has 32 divisors (see below), whose sum is σ = 197728128. Its totient is φ = 36284800.

The previous prime is 100238923. The next prime is 100238933. The reversal of 100238930 is 39832001.

It is a self number, because there is not a number n which added to its sum of digits gives 100238930.

It is not an unprimeable number, because it can be changed into a prime (100238933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23675 + ... + 27585.

It is an arithmetic number, because the mean of its divisors is an integer number (6179004).

Almost surely, 2^100238930 is an apocalyptic number.

100238930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100238930 is a deficient number, since it is larger than the sum of its proper divisors (97489198).

100238930 is a wasteful number, since it uses less digits than its factorization.

100238930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 100238930 is about 10011.9393725691. The cubic root of 100238930 is about 464.5282609393.

The spelling of 100238930 in words is "one hundred million, two hundred thirty-eight thousand, nine hundred thirty".