100258540 has 12 divisors (see below), whose sum is σ = 210542976. Its totient is φ = 40103408.

The previous prime is 100258519. The next prime is 100258553. The reversal of 100258540 is 45852001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506444 + ... + 2506483.

It is an arithmetic number, because the mean of its divisors is an integer number (17545248).

Almost surely, 2^100258540 is an apocalyptic number.

100258540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100258540 is an abundant number, since it is smaller than the sum of its proper divisors (110284436).

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

100258540 is a wasteful number, since it uses less digits than its factorization.

100258540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012936 (or 5012934 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 100258540 is about 10012.9186554171. The cubic root of 100258540 is about 464.5585512508.

The spelling of 100258540 in words is "one hundred million, two hundred fifty-eight thousand, five hundred forty".