Search a number
-
+
622490063 = 13442110831
BaseRepresentation
bin100101000110100…
…111000111001111
31121101022202211112
4211012213013033
52233324140223
6141434042235
721266035556
oct4506470717
91541282745
10622490063
1129a419aa8
1215457937b
139bc71520
145c95cd9d
15399b1778
hex251a71cf

622490063 has 8 divisors (see below), whose sum is σ = 670587456. Its totient is φ = 574423200.

The previous prime is 622490039. The next prime is 622490081. The reversal of 622490063 is 360094226.

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

It is not a de Polignac number, because 622490063 - 28 = 622489807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622390063) 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, 52058 + ... + 62888.

It is an arithmetic number, because the mean of its divisors is an integer number (83823432).

Almost surely, 2622490063 is an apocalyptic number.

622490063 is a deficient number, since it is larger than the sum of its proper divisors (48097393).

622490063 is a wasteful number, since it uses less digits than its factorization.

622490063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15265.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 622490063 is about 24949.7507602781. The cubic root of 622490063 is about 853.8419226524.

The spelling of 622490063 in words is "six hundred twenty-two million, four hundred ninety thousand, sixty-three".

Divisors: 1 13 4421 10831 57473 140803 47883851 622490063