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76128463 = 359212057
BaseRepresentation
bin1001000100110…
…10000011001111
312022020201121201
410202122003033
5123442102323
611315410331
71613036605
oct442320317
9168221551
1076128463
1139a77494
12215b39a7
1312a06138
14a179875
156a3b8ad
hex489a0cf

76128463 has 4 divisors (see below), whose sum is σ = 76340880. Its totient is φ = 75916048.

The previous prime is 76128461. The next prime is 76128469. The reversal of 76128463 is 36482167.

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

It is a cyclic number.

It is not a de Polignac number, because 76128463 - 21 = 76128461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76128461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105670 + ... + 106387.

It is an arithmetic number, because the mean of its divisors is an integer number (19085220).

Almost surely, 276128463 is an apocalyptic number.

76128463 is a deficient number, since it is larger than the sum of its proper divisors (212417).

76128463 is a wasteful number, since it uses less digits than its factorization.

76128463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212416.

The product of its digits is 48384, while the sum is 37.

The square root of 76128463 is about 8725.1626345874. The cubic root of 76128463 is about 423.8208848737.

The spelling of 76128463 in words is "seventy-six million, one hundred twenty-eight thousand, four hundred sixty-three".

Divisors: 1 359 212057 76128463