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5185389 = 311157133
BaseRepresentation
bin10011110001111101101101
3100202110000110
4103301331231
52311413024
6303050233
762034516
oct23617555
910673013
105185389
112a21950
1218a0979
1310c72a1
1498da0d
156c6629
hex4f1f6d

5185389 has 8 divisors (see below), whose sum is σ = 7542432. Its totient is φ = 3142640.

The previous prime is 5185381. The next prime is 5185399. The reversal of 5185389 is 9835815.

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 5185389 - 23 = 5185381 is a prime.

It is a d-powerful number, because it can be written as 54 + 1 + 83 + 58 + 314 + 84 + 94 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185381) 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, 78534 + ... + 78599.

It is an arithmetic number, because the mean of its divisors is an integer number (942804).

Almost surely, 25185389 is an apocalyptic number.

It is an amenable number.

5185389 is a deficient number, since it is larger than the sum of its proper divisors (2357043).

5185389 is a wasteful number, since it uses less digits than its factorization.

5185389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157147.

The product of its digits is 43200, while the sum is 39.

The square root of 5185389 is about 2277.1449229243. The cubic root of 5185389 is about 173.0854044999.

The spelling of 5185389 in words is "five million, one hundred eighty-five thousand, three hundred eighty-nine".

Divisors: 1 3 11 33 157133 471399 1728463 5185389