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5278493788 = 221319623447
BaseRepresentation
bin1001110101001111…
…10110110001011100
3111121212102021012221
410322213312301130
541302243300123
62231440235124
7244543312501
oct47247666134
914555367187
105278493788
112269632567
12103390baa4
13661769809
143810774a8
1520d61825d
hex13a9f6c5c

5278493788 has 6 divisors (see below), whose sum is σ = 9237364136. Its totient is φ = 2639246892.

The previous prime is 5278493777. The next prime is 5278493789. The reversal of 5278493788 is 8873948725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278493789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659811720 + ... + 659811727.

Almost surely, 25278493788 is an apocalyptic number.

It is an amenable number.

5278493788 is a deficient number, since it is larger than the sum of its proper divisors (3958870348).

5278493788 is a wasteful number, since it uses less digits than its factorization.

5278493788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319623451 (or 1319623449 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 61.

The square root of 5278493788 is about 72653.2434788702. The cubic root of 5278493788 is about 1741.1519420977.

The spelling of 5278493788 in words is "five billion, two hundred seventy-eight million, four hundred ninety-three thousand, seven hundred eighty-eight".

Divisors: 1 2 4 1319623447 2639246894 5278493788