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5238857720 = 235709184727
BaseRepresentation
bin1001110000100001…
…01001111111111000
3111112002211112202102
410320100221333320
541212121421340
62223502522532
7243552361445
oct47020517770
914462745672
105238857720
112249220388
121022596448
1365649c815
14379aba9cc
15209dd9215
hex138429ff8

5238857720 has 32 divisors (see below), whose sum is σ = 11804119200. Its totient is φ = 2092576128.

The previous prime is 5238857711. The next prime is 5238857747. The reversal of 5238857720 is 277588325.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64004 + ... + 120723.

It is an arithmetic number, because the mean of its divisors is an integer number (368878725).

Almost surely, 25238857720 is an apocalyptic number.

It is an amenable number.

5238857720 is an abundant number, since it is smaller than the sum of its proper divisors (6565261480).

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

5238857720 is a wasteful number, since it uses less digits than its factorization.

5238857720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185447 (or 185443 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 5238857720 is about 72379.9538546413. The cubic root of 5238857720 is about 1736.7829003948.

The spelling of 5238857720 in words is "five billion, two hundred thirty-eight million, eight hundred fifty-seven thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 709 1418 2836 3545 5672 7090 14180 28360 184727 369454 738908 923635 1477816 1847270 3694540 7389080 130971443 261942886 523885772 654857215 1047771544 1309714430 2619428860 5238857720