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5216278 = 22608139
BaseRepresentation
bin10011111001100000010110
3100211000101111
4103321200112
52313410103
6303445234
762223544
oct23714026
910730344
105216278
112a43081
1218b681a
131108372
1499ad94
156d086d
hex4f9816

5216278 has 4 divisors (see below), whose sum is σ = 7824420. Its totient is φ = 2608138.

The previous prime is 5216273. The next prime is 5216303. The reversal of 5216278 is 8726125.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216273) by changing a digit.

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, 1304068 + ... + 1304071.

It is an arithmetic number, because the mean of its divisors is an integer number (1956105).

Almost surely, 25216278 is an apocalyptic number.

5216278 is a deficient number, since it is larger than the sum of its proper divisors (2608142).

5216278 is a wasteful number, since it uses less digits than its factorization.

5216278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608141.

The product of its digits is 6720, while the sum is 31.

The square root of 5216278 is about 2283.9172489388. The cubic root of 5216278 is about 173.4284101992.

The spelling of 5216278 in words is "five million, two hundred sixteen thousand, two hundred seventy-eight".

Divisors: 1 2 2608139 5216278