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5257720288 = 25179664927
BaseRepresentation
bin1001110010110001…
…00111000111100000
3111120102022212100001
410321120213013200
541231434022123
62225415105344
7244201612402
oct47130470740
914512285301
105257720288
112258934087
121028972254
1365a3752c2
1437c3cab72
1520b8b30ad
hex1396271e0

5257720288 has 24 divisors (see below), whose sum is σ = 10960028352. Its totient is φ = 2474221056.

The previous prime is 5257720243. The next prime is 5257720289. The reversal of 5257720288 is 8820277525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257720289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4831920 + ... + 4833007.

It is an arithmetic number, because the mean of its divisors is an integer number (456667848).

Almost surely, 25257720288 is an apocalyptic number.

It is an amenable number.

5257720288 is an abundant number, since it is smaller than the sum of its proper divisors (5702308064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5257720288 is a wasteful number, since it uses less digits than its factorization.

5257720288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9664954 (or 9664946 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 5257720288 is about 72510.1392082514. The cubic root of 5257720288 is about 1738.8648393694.

The spelling of 5257720288 in words is "five billion, two hundred fifty-seven million, seven hundred twenty thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 9664927 19329854 38659708 77319416 154638832 164303759 309277664 328607518 657215036 1314430072 2628860144 5257720288