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5231279 = 45711447
BaseRepresentation
bin10011111101001010101111
3100211202222002
4103331022233
52314400104
6304042515
762315354
oct23751257
910752862
105231279
112a53379
12190343b
131112141
149a262b
156d501e
hex4fd2af

5231279 has 4 divisors (see below), whose sum is σ = 5243184. Its totient is φ = 5219376.

The previous prime is 5231263. The next prime is 5231287. The reversal of 5231279 is 9721325.

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

It is a cyclic number.

It is not a de Polignac number, because 5231279 - 24 = 5231263 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 (5231579) 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, 5267 + ... + 6180.

It is an arithmetic number, because the mean of its divisors is an integer number (1310796).

Almost surely, 25231279 is an apocalyptic number.

5231279 is a deficient number, since it is larger than the sum of its proper divisors (11905).

5231279 is a wasteful number, since it uses less digits than its factorization.

5231279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11904.

The product of its digits is 3780, while the sum is 29.

The square root of 5231279 is about 2287.1989419375. The cubic root of 5231279 is about 173.5944998682.

The spelling of 5231279 in words is "five million, two hundred thirty-one thousand, two hundred seventy-nine".

Divisors: 1 457 11447 5231279