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5130638 = 22565319
BaseRepresentation
bin10011100100100110001110
3100122122220122
4103210212032
52303140023
6301544542
761416062
oct23444616
910578818
105130638
1129947a7
121875152
1310a83a6
14977aa2
156b52c8
hex4e498e

5130638 has 4 divisors (see below), whose sum is σ = 7695960. Its totient is φ = 2565318.

The previous prime is 5130623. The next prime is 5130641. The reversal of 5130638 is 8360315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8360315 = 51672063.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282658 + ... + 1282661.

It is an arithmetic number, because the mean of its divisors is an integer number (1923990).

Almost surely, 25130638 is an apocalyptic number.

5130638 is a deficient number, since it is larger than the sum of its proper divisors (2565322).

5130638 is a wasteful number, since it uses less digits than its factorization.

5130638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565321.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 5130638 is about 2265.0911681431. The cubic root of 5130638 is about 172.4740617724.

The spelling of 5130638 in words is "five million, one hundred thirty thousand, six hundred thirty-eight".

Divisors: 1 2 2565319 5130638