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76225769 = 367320753
BaseRepresentation
bin1001000101100…
…01110011101001
312022102200002122
410202301303221
5124003211034
611321441025
71613623364
oct442616351
9168380078
1076225769
113a033604
1221640175
1312a3b509
14a1a30db
156a5a62e
hex48b1ce9

76225769 has 4 divisors (see below), whose sum is σ = 76250196. Its totient is φ = 76201344.

The previous prime is 76225759. The next prime is 76225843. The reversal of 76225769 is 96752267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96752267 = 709136463.

It can be written as a sum of positive squares in 2 ways, for example, as 12816400 + 63409369 = 3580^2 + 7963^2 .

It is a cyclic number.

It is not a de Polignac number, because 76225769 - 216 = 76160233 is a prime.

It is a super-2 number, since 2×762257692 = 11620735719282722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76225759) by changing a digit.

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, 6704 + ... + 14049.

It is an arithmetic number, because the mean of its divisors is an integer number (19062549).

Almost surely, 276225769 is an apocalyptic number.

It is an amenable number.

76225769 is a deficient number, since it is larger than the sum of its proper divisors (24427).

76225769 is a wasteful number, since it uses less digits than its factorization.

76225769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24426.

The product of its digits is 317520, while the sum is 44.

The square root of 76225769 is about 8730.7370250168. The cubic root of 76225769 is about 424.0013813441.

The spelling of 76225769 in words is "seventy-six million, two hundred twenty-five thousand, seven hundred sixty-nine".

Divisors: 1 3673 20753 76225769