105493090 has 16 divisors (see below), whose sum is σ = 190045440. Its totient is φ = 42162160.

The previous prime is 105493079. The next prime is 105493099. The reversal of 105493090 is 90394501.

It is a super-2 number, since 2×105493090² = 22257584075496200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105493099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10725 + ... + 18055.

It is an arithmetic number, because the mean of its divisors is an integer number (11877840).

Almost surely, 2^105493090 is an apocalyptic number.

105493090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105493090 is a deficient number, since it is larger than the sum of its proper divisors (84552350).

105493090 is a wasteful number, since it uses less digits than its factorization.

105493090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8777.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 105493090 is about 10270.9829130420. The cubic root of 105493090 is about 472.5067363708.

The spelling of 105493090 in words is "one hundred five million, four hundred ninety-three thousand, ninety".