100478950 has 144 divisors (see below), whose sum is σ = 235270656. Its totient is φ = 31574400.

The previous prime is 100478933. The next prime is 100478957. The reversal of 100478950 is 59874001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100478957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2137827 + ... + 2137873.

It is an arithmetic number, because the mean of its divisors is an integer number (1633824).

Almost surely, 2^100478950 is an apocalyptic number.

100478950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100478950 is an abundant number, since it is smaller than the sum of its proper divisors (134791706).

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

100478950 is a wasteful number, since it uses less digits than its factorization.

100478950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 100478950 is about 10023.9188943247. The cubic root of 100478950 is about 464.8987331026.

The spelling of 100478950 in words is "one hundred million, four hundred seventy-eight thousand, nine hundred fifty".