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5431892831 = 41132485191
BaseRepresentation
bin1010000111100010…
…00001101101011111
3112000120001202010222
411003301001231133
542111031032311
62255000151555
7251415220151
oct50361015537
915016052128
105431892831
112338186532
1210771685bb
13687488891
143975a8ad1
1521bd19adb
hex143c41b5f

5431892831 has 4 divisors (see below), whose sum is σ = 5564378064. Its totient is φ = 5299407600.

The previous prime is 5431892801. The next prime is 5431892833. The reversal of 5431892831 is 1382981345.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5431892831 is a prime.

It is a super-2 number, since 2×54318928312 = 59010919454938389122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431892833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66242555 + ... + 66242636.

It is an arithmetic number, because the mean of its divisors is an integer number (1391094516).

Almost surely, 25431892831 is an apocalyptic number.

5431892831 is a deficient number, since it is larger than the sum of its proper divisors (132485233).

5431892831 is a wasteful number, since it uses less digits than its factorization.

5431892831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132485232.

The product of its digits is 207360, while the sum is 44.

The square root of 5431892831 is about 73701.3760454986. The cubic root of 5431892831 is about 1757.8577619167.

The spelling of 5431892831 in words is "five billion, four hundred thirty-one million, eight hundred ninety-two thousand, eight hundred thirty-one".

Divisors: 1 41 132485191 5431892831