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75280714 = 237640357
BaseRepresentation
bin1000111110010…
…11000101001010
312020122122201121
410133023011022
5123232440324
611245305454
71602606205
oct437130512
9166578647
1075280714
1139548573
122126528a
131279a302
149dd893c
1569205e4
hex47cb14a

75280714 has 4 divisors (see below), whose sum is σ = 112921074. Its totient is φ = 37640356.

The previous prime is 75280703. The next prime is 75280721. The reversal of 75280714 is 41708257.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61105489 + 14175225 = 7817^2 + 3765^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75280714.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18820177 + ... + 18820180.

Almost surely, 275280714 is an apocalyptic number.

75280714 is a deficient number, since it is larger than the sum of its proper divisors (37640360).

75280714 is a wasteful number, since it uses less digits than its factorization.

75280714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37640359.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 75280714 is about 8676.4459313707. The cubic root of 75280714 is about 422.2418183836.

The spelling of 75280714 in words is "seventy-five million, two hundred eighty thousand, seven hundred fourteen".

Divisors: 1 2 37640357 75280714