101489650 has 12 divisors (see below), whose sum is σ = 188770842. Its totient is φ = 40595840.

The previous prime is 101489627. The next prime is 101489651. The reversal of 101489650 is 56984101.

It can be written as a sum of positive squares in 3 ways, for example, as 95472441 + 6017209 = 9771^2 + 2453^2 .

It is not an unprimeable number, because it can be changed into a prime (101489651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1014847 + ... + 1014946.

Almost surely, 2^101489650 is an apocalyptic number.

101489650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101489650 is a deficient number, since it is larger than the sum of its proper divisors (87281192).

101489650 is a wasteful number, since it uses less digits than its factorization.

101489650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029805 (or 2029800 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 101489650 is about 10074.2071648344. The cubic root of 101489650 is about 466.4523136883.

The spelling of 101489650 in words is "one hundred one million, four hundred eighty-nine thousand, six hundred fifty".