Search a number
-
+
5372031 = 37491521
BaseRepresentation
bin10100011111100001111111
3101002221001010
4110133201333
52333401111
6311050303
763442620
oct24374177
911087033
105372031
11303a0a5
121970993
131161222
149dba47
15711aa6
hex51f87f

5372031 has 16 divisors (see below), whose sum is σ = 8218368. Its totient is φ = 3057600.

The previous prime is 5372023. The next prime is 5372039. The reversal of 5372031 is 1302735.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5372023) and next prime (5372039).

It is not a de Polignac number, because 5372031 - 23 = 5372023 is a prime.

It is a super-2 number, since 2×53720312 = 57717434129922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

5372031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5371989 and 5372007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5372039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10051 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (513648).

Almost surely, 25372031 is an apocalyptic number.

5372031 is a deficient number, since it is larger than the sum of its proper divisors (2846337).

5372031 is a wasteful number, since it uses less digits than its factorization.

5372031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 5372031 is about 2317.7642244197. The cubic root of 5372031 is about 175.1376440903.

Adding to 5372031 its reverse (1302735), we get a palindrome (6674766).

The spelling of 5372031 in words is "five million, three hundred seventy-two thousand, thirty-one".

Divisors: 1 3 7 21 491 521 1473 1563 3437 3647 10311 10941 255811 767433 1790677 5372031