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5139331 = 7436917
BaseRepresentation
bin10011100110101110000011
3100200002211121
4103212232003
52303424311
6302053111
761453321
oct23465603
910602747
105139331
1129a028a
12187a197
1310ac332
1497ad11
156b7b71
hex4e6b83

5139331 has 4 divisors (see below), whose sum is σ = 5146992. Its totient is φ = 5131672.

The previous prime is 5139319. The next prime is 5139341. The reversal of 5139331 is 1339315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1339315 = 5267863.

It is a cyclic number.

It is not a de Polignac number, because 5139331 - 27 = 5139203 is a prime.

It is a super-2 number, since 2×51393312 = 52825446255122, 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 = 5139296 and 5139305.

It is not an unprimeable number, because it can be changed into a prime (5139301) 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, 2716 + ... + 4201.

It is an arithmetic number, because the mean of its divisors is an integer number (1286748).

Almost surely, 25139331 is an apocalyptic number.

5139331 is a deficient number, since it is larger than the sum of its proper divisors (7661).

5139331 is an equidigital number, since it uses as much as digits as its factorization.

5139331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7660.

The product of its digits is 1215, while the sum is 25.

The square root of 5139331 is about 2267.0092633247. The cubic root of 5139331 is about 172.5714162038.

The spelling of 5139331 in words is "five million, one hundred thirty-nine thousand, three hundred thirty-one".

Divisors: 1 743 6917 5139331