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75677465 = 515135493
BaseRepresentation
bin1001000001010…
…11111100011001
312021101210222002
410200223330121
5123333134330
611302010345
71606151003
oct440537431
9167353862
1075677465
1139799666
12214169b5
13128a8a86
14a09d373
15699ce45
hex482bf19

75677465 has 4 divisors (see below), whose sum is σ = 90812964. Its totient is φ = 60541968.

The previous prime is 75677449. The next prime is 75677527. The reversal of 75677465 is 56477657.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56477657 = 490311519.

It can be written as a sum of positive squares in 2 ways, for example, as 11485321 + 64192144 = 3389^2 + 8012^2 .

It is a cyclic number.

It is not a de Polignac number, because 75677465 - 24 = 75677449 is a prime.

It is a Duffinian number.

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 in 3 ways as a sum of consecutive naturals, for example, 7567742 + ... + 7567751.

It is an arithmetic number, because the mean of its divisors is an integer number (22703241).

Almost surely, 275677465 is an apocalyptic number.

It is an amenable number.

75677465 is a deficient number, since it is larger than the sum of its proper divisors (15135499).

75677465 is a wasteful number, since it uses less digits than its factorization.

75677465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135498.

The product of its digits is 1234800, while the sum is 47.

The square root of 75677465 is about 8699.2795678723. The cubic root of 75677465 is about 422.9822976382.

The spelling of 75677465 in words is "seventy-five million, six hundred seventy-seven thousand, four hundred sixty-five".

Divisors: 1 5 15135493 75677465