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5372231 = 19433653
BaseRepresentation
bin10100011111100101000111
3101002221022112
4110133211013
52333402411
6311051235
763443324
oct24374507
911087275
105372231
11303a267
121970b1b
131161347
149dbb4b
15711b8b
hex51f947

5372231 has 8 divisors (see below), whose sum is σ = 5676720. Its totient is φ = 5069952.

The previous prime is 5372203. The next prime is 5372233. The reversal of 5372231 is 1322735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5372231 is a prime.

It is a super-2 number, since 2×53722312 = 57721731834722, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 52 + 311 + 77 + 26 + 222 + 311 + 1 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5372197 and 5372206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5372233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7901 + ... + 8553.

It is an arithmetic number, because the mean of its divisors is an integer number (709590).

Almost surely, 25372231 is an apocalyptic number.

5372231 is a deficient number, since it is larger than the sum of its proper divisors (304489).

5372231 is a wasteful number, since it uses less digits than its factorization.

5372231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its digits is 1260, while the sum is 23.

The square root of 5372231 is about 2317.8073690451. The cubic root of 5372231 is about 175.1398175137.

Adding to 5372231 its reverse (1322735), we get a palindrome (6694966).

The spelling of 5372231 in words is "five million, three hundred seventy-two thousand, two hundred thirty-one".

Divisors: 1 19 433 653 8227 12407 282749 5372231