101083990 has 32 divisors (see below), whose sum is σ = 218891520. Its totient is φ = 32832864.

The previous prime is 101083987. The next prime is 101084003. The reversal of 101083990 is 99380101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36672 + ... + 39331.

It is an arithmetic number, because the mean of its divisors is an integer number (6840360).

Almost surely, 2^101083990 is an apocalyptic number.

101083990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101083990 is an abundant number, since it is smaller than the sum of its proper divisors (117807530).

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

101083990 is a wasteful number, since it uses less digits than its factorization.

101083990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76036.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 101083990 is about 10054.0534114356. The cubic root of 101083990 is about 465.8300048583.

The spelling of 101083990 in words is "one hundred one million, eighty-three thousand, nine hundred ninety".