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2390563 = 7248787
BaseRepresentation
bin1001000111101000100011
311111110020101
421013220203
51102444223
6123123231
726214400
oct11075043
94443211
102390563
11139307a
12973517
13659146
144632a7
153234ad
hex247a23

2390563 has 6 divisors (see below), whose sum is σ = 2780916. Its totient is φ = 2049012.

The previous prime is 2390543. The next prime is 2390579. The reversal of 2390563 is 3650932.

It is not a de Polignac number, because 2390563 - 29 = 2390051 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2390543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24345 + ... + 24442.

It is an arithmetic number, because the mean of its divisors is an integer number (463486).

22390563 is an apocalyptic number.

2390563 is a deficient number, since it is larger than the sum of its proper divisors (390353).

2390563 is an equidigital number, since it uses as much as digits as its factorization.

2390563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48801 (or 48794 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 2390563 is about 1546.1445598650. The cubic root of 2390563 is about 133.7108750965.

The spelling of 2390563 in words is "two million, three hundred ninety thousand, five hundred sixty-three".

Divisors: 1 7 49 48787 341509 2390563