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5431208677 = 27397198241
BaseRepresentation
bin1010000111011100…
…11010101011100101
3112000111202222122221
411003232122223211
542110342134202
62254533352341
7251406340426
oct50356325345
915014688587
105431208677
112337859514
121076a986b1
136872a935b
1439746b64d
1521bc32037
hex143b9aae5

5431208677 has 4 divisors (see below), whose sum is σ = 5431434316. Its totient is φ = 5430983040.

The previous prime is 5431208669. The next prime is 5431208689. The reversal of 5431208677 is 7768021345.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1483097121 + 3948111556 = 38511^2 + 62834^2 .

It is a cyclic number.

It is not a de Polignac number, because 5431208677 - 23 = 5431208669 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 (5431208647) 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, 71724 + ... + 126517.

It is an arithmetic number, because the mean of its divisors is an integer number (1357858579).

Almost surely, 25431208677 is an apocalyptic number.

It is an amenable number.

5431208677 is a deficient number, since it is larger than the sum of its proper divisors (225639).

5431208677 is a wasteful number, since it uses less digits than its factorization.

5431208677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225638.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 5431208677 is about 73696.7345070323. The cubic root of 5431208677 is about 1757.7839573240.

The spelling of 5431208677 in words is "five billion, four hundred thirty-one million, two hundred eight thousand, six hundred seventy-seven".

Divisors: 1 27397 198241 5431208677