101953690 has 32 divisors (see below), whose sum is σ = 186157440. Its totient is φ = 40200000.

The previous prime is 101953679. The next prime is 101953727. The reversal of 101953690 is 96359101.

It is a super-2 number, since 2×101953690² = 20789109809232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378876 + ... + 379144.

It is an arithmetic number, because the mean of its divisors is an integer number (5817420).

Almost surely, 2^101953690 is an apocalyptic number.

101953690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101953690 is a deficient number, since it is larger than the sum of its proper divisors (84203750).

101953690 is a wasteful number, since it uses less digits than its factorization.

101953690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 101953690 is about 10097.2119914361. The cubic root of 101953690 is about 467.1621511695.

The spelling of 101953690 in words is "one hundred one million, nine hundred fifty-three thousand, six hundred ninety".