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75000916 = 2218750229
BaseRepresentation
bin1000111100001…
…10110001010100
312020010102220201
410132012301110
5123200012131
611235310244
71600332364
oct436066124
9166112821
1075000916
1139377331
122114b384
13126ccb53
149d649a4
1568b7761
hex4786c54

75000916 has 6 divisors (see below), whose sum is σ = 131251610. Its totient is φ = 37500456.

The previous prime is 75000899. The next prime is 75000917. The reversal of 75000916 is 61900057.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 66357316 + 8643600 = 8146^2 + 2940^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75000917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9375111 + ... + 9375118.

Almost surely, 275000916 is an apocalyptic number.

It is an amenable number.

75000916 is a deficient number, since it is larger than the sum of its proper divisors (56250694).

75000916 is a wasteful number, since it uses less digits than its factorization.

75000916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18750233 (or 18750231 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 75000916 is about 8660.3069229676. The cubic root of 75000916 is about 421.7180494979.

The spelling of 75000916 in words is "seventy-five million, nine hundred sixteen", and thus it is an aban number.

Divisors: 1 2 4 18750229 37500458 75000916