100852090 has 16 divisors (see below), whose sum is σ = 182692872. Its totient is φ = 40083264.

The previous prime is 100852067. The next prime is 100852123. The reversal of 100852090 is 90258001.

It can be written as a sum of positive squares in 4 ways, for example, as 84033889 + 16818201 = 9167^2 + 4101^2 .

It is a super-2 number, since 2×100852090² = 20342288114736200, which contains 22 as substring.

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, 30549 + ... + 33688.

Almost surely, 2^100852090 is an apocalyptic number.

100852090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100852090 is a deficient number, since it is larger than the sum of its proper divisors (81840782).

100852090 is a wasteful number, since it uses less digits than its factorization.

100852090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64401.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 100852090 is about 10042.5141274484. The cubic root of 100852090 is about 465.4735069527.

The spelling of 100852090 in words is "one hundred million, eight hundred fifty-two thousand, ninety".