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5185439288 = 23798204809
BaseRepresentation
bin1001101010001001…
…11000011000111000
3111101101022121102222
410311010320120320
541104433024123
62214313543212
7242333335541
oct46504703070
914341277388
105185439288
112221055317
121008714b08
136483b8493
143729734c8
152053866c8
hex135138638

5185439288 has 16 divisors (see below), whose sum is σ = 9845772000. Its totient is φ = 2559900096.

The previous prime is 5185439267. The next prime is 5185439291. The reversal of 5185439288 is 8829345815.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4101773 + ... + 4103036.

It is an arithmetic number, because the mean of its divisors is an integer number (615360750).

Almost surely, 25185439288 is an apocalyptic number.

It is an amenable number.

5185439288 is a deficient number, since it is larger than the sum of its proper divisors (4660332712).

5185439288 is a wasteful number, since it uses less digits than its factorization.

5185439288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8204894 (or 8204890 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 53.

The square root of 5185439288 is about 72009.9943618940. The cubic root of 5185439288 is about 1730.8596402654.

The spelling of 5185439288 in words is "five billion, one hundred eighty-five million, four hundred thirty-nine thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 79 158 316 632 8204809 16409618 32819236 65638472 648179911 1296359822 2592719644 5185439288