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75014925 = 3521000199
BaseRepresentation
bin1000111100010…
…10001100001101
312020011011010120
410132022030031
5123200434200
611235455153
71600421256
oct436121415
9166134116
1075014925
1139386907
12211574b9
131270633b
149d69b2d
1568bb9a0
hex478a30d

75014925 has 12 divisors (see below), whose sum is σ = 124024800. Its totient is φ = 40007920.

The previous prime is 75014911. The next prime is 75014941. The reversal of 75014925 is 52941057.

It is not a de Polignac number, because 75014925 - 211 = 75012877 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500025 + ... + 500174.

It is an arithmetic number, because the mean of its divisors is an integer number (10335400).

Almost surely, 275014925 is an apocalyptic number.

75014925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75014925 is a deficient number, since it is larger than the sum of its proper divisors (49009875).

75014925 is a wasteful number, since it uses less digits than its factorization.

75014925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000212 (or 1000207 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 75014925 is about 8661.1156902561. The cubic root of 75014925 is about 421.7443046455.

The spelling of 75014925 in words is "seventy-five million, fourteen thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 1000199 3000597 5000995 15002985 25004975 75014925