100293428 has 12 divisors (see below), whose sum is σ = 175912800. Its totient is φ = 50032632.

The previous prime is 100293371. The next prime is 100293433. The reversal of 100293428 is 824392001.

It is a self number, because there is not a number n which added to its sum of digits gives 100293428.

It is a congruent number.

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, 26528 + ... + 30071.

It is an arithmetic number, because the mean of its divisors is an integer number (14659400).

Almost surely, 2^100293428 is an apocalyptic number.

It is an amenable number.

100293428 is a deficient number, since it is larger than the sum of its proper divisors (75619372).

100293428 is a wasteful number, since it uses less digits than its factorization.

100293428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57046 (or 57044 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 100293428 is about 10014.6606532623. The cubic root of 100293428 is about 464.6124307479.

The spelling of 100293428 in words is "one hundred million, two hundred ninety-three thousand, four hundred twenty-eight".