Search a number
-
+
5242387 = 15733391
BaseRepresentation
bin10011111111111000010011
3100212100012111
4103333320103
52320224022
6304210151
762362633
oct23777023
910770174
105242387
112a60757
121909957
131117207
149a66c3
156d8477
hex4ffe13

5242387 has 4 divisors (see below), whose sum is σ = 5275936. Its totient is φ = 5208840.

The previous prime is 5242381. The next prime is 5242399. The reversal of 5242387 is 7832425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5242387 - 215 = 5209619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5242381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16539 + ... + 16852.

It is an arithmetic number, because the mean of its divisors is an integer number (1318984).

Almost surely, 25242387 is an apocalyptic number.

5242387 is a deficient number, since it is larger than the sum of its proper divisors (33549).

5242387 is a wasteful number, since it uses less digits than its factorization.

5242387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33548.

The product of its digits is 13440, while the sum is 31.

The square root of 5242387 is about 2289.6259519843. The cubic root of 5242387 is about 173.7172821096.

The spelling of 5242387 in words is "five million, two hundred forty-two thousand, three hundred eighty-seven".

Divisors: 1 157 33391 5242387