103189950 has 168 divisors, whose sum is σ = 304947000. Its totient is φ = 25894080.

The previous prime is 103189901. The next prime is 103189963. The reversal of 103189950 is 59981301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 692476 + ... + 692624.

Almost surely, 2^103189950 is an apocalyptic number.

103189950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103189950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152473500).

103189950 is an abundant number, since it is smaller than the sum of its proper divisors (201757050).

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

103189950 is a wasteful number, since it uses less digits than its factorization.

103189950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 103189950 is about 10158.2454193625. The cubic root of 103189950 is about 469.0427930760.

The spelling of 103189950 in words is "one hundred three million, one hundred eighty-nine thousand, nine hundred fifty".