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76134573 = 36181577
BaseRepresentation
bin1001000100110…
…11100010101101
312022021001000000
410202123202231
5123442301243
611315454513
71613063454
oct442334255
9168231000
1076134573
1139a81039
12215b7439
1312a08b58
14a17bb9b
156a3d5d3
hex489b8ad

76134573 has 28 divisors (see below), whose sum is σ = 114979228. Its totient is φ = 50388480.

The previous prime is 76134571. The next prime is 76134587. The reversal of 76134573 is 37543167.

76134573 is a `hidden beast` number, since 76 + 13 + 4 + 573 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38900169 + 37234404 = 6237^2 + 6102^2 .

It is not a de Polignac number, because 76134573 - 21 = 76134571 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 (76134571) 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 27 ways as a sum of consecutive naturals, for example, 131661 + ... + 132237.

It is an arithmetic number, because the mean of its divisors is an integer number (4106401).

Almost surely, 276134573 is an apocalyptic number.

It is an amenable number.

76134573 is a deficient number, since it is larger than the sum of its proper divisors (38844655).

76134573 is an equidigital number, since it uses as much as digits as its factorization.

76134573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 761 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 76134573 is about 8725.5127643022. The cubic root of 76134573 is about 423.8322230610.

The spelling of 76134573 in words is "seventy-six million, one hundred thirty-four thousand, five hundred seventy-three".

Divisors: 1 3 9 27 81 181 243 543 577 729 1629 1731 4887 5193 14661 15579 43983 46737 104437 131949 140211 313311 420633 939933 2819799 8459397 25378191 76134573