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5031689 = 132931321
BaseRepresentation
bin10011001100011100001001
3100110122011212
4103030130021
52242003224
6255502505
760524435
oct23143411
910418155
105031689
112927423
121827a35
131072340
1494d9c5
15695d0e
hex4cc709

5031689 has 8 divisors (see below), whose sum is σ = 5441352. Its totient is φ = 4625280.

The previous prime is 5031683. The next prime is 5031701. The reversal of 5031689 is 9861305.

It can be written as a sum of positive squares in 4 ways, for example, as 2226064 + 2805625 = 1492^2 + 1675^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5031689 - 24 = 5031673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5031683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149 + ... + 4469.

It is an arithmetic number, because the mean of its divisors is an integer number (680169).

Almost surely, 25031689 is an apocalyptic number.

It is an amenable number.

5031689 is a deficient number, since it is larger than the sum of its proper divisors (409663).

5031689 is a wasteful number, since it uses less digits than its factorization.

5031689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5031689 is about 2243.1426615354. The cubic root of 5031689 is about 171.3580836863.

It can be divided in two parts, 50316 and 89, that added together give a palindrome (50405).

The spelling of 5031689 in words is "five million, thirty-one thousand, six hundred eighty-nine".

Divisors: 1 13 293 1321 3809 17173 387053 5031689