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76116431 = 591290109
BaseRepresentation
bin1001000100101…
…11000111001111
312022020010010002
410202113013033
5123441211211
611315234515
71612656536
oct442270717
9168203102
1076116431
1139a69446
12215a8a3b
1312a00811
14a17531d
156a3803b
hex48971cf

76116431 has 4 divisors (see below), whose sum is σ = 77406600. Its totient is φ = 74826264.

The previous prime is 76116401. The next prime is 76116433. The reversal of 76116431 is 13461167.

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 76116431 - 214 = 76100047 is a prime.

It is a super-2 number, since 2×761164312 = 11587422136355522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76116394 and 76116403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76116433) 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, 644996 + ... + 645113.

It is an arithmetic number, because the mean of its divisors is an integer number (19351650).

Almost surely, 276116431 is an apocalyptic number.

76116431 is a deficient number, since it is larger than the sum of its proper divisors (1290169).

76116431 is a wasteful number, since it uses less digits than its factorization.

76116431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290168.

The product of its digits is 3024, while the sum is 29.

The square root of 76116431 is about 8724.4731072999. The cubic root of 76116431 is about 423.7985555925.

Adding to 76116431 its reverse (13461167), we get a palindrome (89577598).

The spelling of 76116431 in words is "seventy-six million, one hundred sixteen thousand, four hundred thirty-one".

Divisors: 1 59 1290109 76116431