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5342531 = 15135381
BaseRepresentation
bin10100011000010101000011
3101001102120112
4110120111003
52331430111
6310301535
763260615
oct24302503
911042515
105342531
113019a17
1219578ab
13115097c
149d0db5
15707e8b
hex518543

5342531 has 4 divisors (see below), whose sum is σ = 5378064. Its totient is φ = 5307000.

The previous prime is 5342521. The next prime is 5342543. The reversal of 5342531 is 1352435.

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-5342531 is a prime.

It is a super-2 number, since 2×53425312 = 57085274971922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5342497 and 5342506.

It is not an unprimeable number, because it can be changed into a prime (5342521) 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, 17540 + ... + 17841.

It is an arithmetic number, because the mean of its divisors is an integer number (1344516).

Almost surely, 25342531 is an apocalyptic number.

5342531 is a deficient number, since it is larger than the sum of its proper divisors (35533).

5342531 is a wasteful number, since it uses less digits than its factorization.

5342531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35532.

The product of its digits is 1800, while the sum is 23.

The square root of 5342531 is about 2311.3915721920. The cubic root of 5342531 is about 174.8164715403.

Adding to 5342531 its reverse (1352435), we get a palindrome (6694966).

The spelling of 5342531 in words is "five million, three hundred forty-two thousand, five hundred thirty-one".

Divisors: 1 151 35381 5342531