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5031239 = 29173491
BaseRepresentation
bin10011001100010101000111
3100110121120012
4103030111013
52241444424
6255500435
760523223
oct23142507
910417505
105031239
112927054
12182771b
131072085
1494d783
15695b0e
hex4cc547

5031239 has 4 divisors (see below), whose sum is σ = 5204760. Its totient is φ = 4857720.

The previous prime is 5031217. The next prime is 5031251. The reversal of 5031239 is 9321305.

It is a happy number.

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-5031239 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 (5031139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86717 + ... + 86774.

It is an arithmetic number, because the mean of its divisors is an integer number (1301190).

Almost surely, 25031239 is an apocalyptic number.

5031239 is a deficient number, since it is larger than the sum of its proper divisors (173521).

5031239 is a wasteful number, since it uses less digits than its factorization.

5031239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173520.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 5031239 is about 2243.0423535903. The cubic root of 5031239 is about 171.3529751673.

The spelling of 5031239 in words is "five million, thirty-one thousand, two hundred thirty-nine".

Divisors: 1 29 173491 5031239