Search a number
-
+
5387019 = 311163243
BaseRepresentation
bin10100100011001100001011
3101010200121020
4110203030023
52334341034
6311243523
763534411
oct24431413
911120536
105387019
11304a390
1219795a3
131167cb1
14a032b1
15716249
hex52330b

5387019 has 8 divisors (see below), whose sum is σ = 7835712. Its totient is φ = 3264840.

The previous prime is 5387017. The next prime is 5387021. The reversal of 5387019 is 9107835.

It is an interprime number because it is at equal distance from previous prime (5387017) and next prime (5387021).

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

It is not a de Polignac number, because 5387019 - 21 = 5387017 is a prime.

It is a super-2 number, since 2×53870192 = 58039947412722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 163243 = 5387019 / (5 + 3 + 8 + 7 + 0 + 1 + 9).

It is not an unprimeable number, because it can be changed into a prime (5387017) 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, 81589 + ... + 81654.

It is an arithmetic number, because the mean of its divisors is an integer number (979464).

Almost surely, 25387019 is an apocalyptic number.

5387019 is a deficient number, since it is larger than the sum of its proper divisors (2448693).

5387019 is a wasteful number, since it uses less digits than its factorization.

5387019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163257.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 5387019 is about 2320.9952606587. The cubic root of 5387019 is about 175.3003712206.

It can be divided in two parts, 538 and 7019, that added together give a palindrome (7557).

The spelling of 5387019 in words is "five million, three hundred eighty-seven thousand, nineteen".

Divisors: 1 3 11 33 163243 489729 1795673 5387019