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5285278 = 22642639
BaseRepresentation
bin10100001010010110011110
3100221112001001
4110022112132
52323112103
6305140514
762631655
oct24122636
910845031
105285278
112a8a9a9
12192a73a
1311308ab
149b819c
156e601d
hex50a59e

5285278 has 4 divisors (see below), whose sum is σ = 7927920. Its totient is φ = 2642638.

The previous prime is 5285263. The next prime is 5285281. The reversal of 5285278 is 8725825.

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

It is an Ulam number.

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, 1321318 + ... + 1321321.

It is an arithmetic number, because the mean of its divisors is an integer number (1981980).

Almost surely, 25285278 is an apocalyptic number.

5285278 is a deficient number, since it is larger than the sum of its proper divisors (2642642).

5285278 is a wasteful number, since it uses less digits than its factorization.

5285278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642641.

The product of its digits is 44800, while the sum is 37.

The square root of 5285278 is about 2298.9732490832. The cubic root of 5285278 is about 174.1897564325.

The spelling of 5285278 in words is "five million, two hundred eighty-five thousand, two hundred seventy-eight".

Divisors: 1 2 2642639 5285278