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5318240 = 25543773
BaseRepresentation
bin10100010010011001100000
3101000012020212
4110102121200
52330140430
6305553252
763130034
oct24223140
911005225
105318240
113002744
121945828
1311428b5
149c61c4
15700b95
hex512660

5318240 has 48 divisors (see below), whose sum is σ = 12873168. Its totient is φ = 2075136.

The previous prime is 5318239. The next prime is 5318251. The reversal of 5318240 is 428135.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6494 + ... + 7266.

It is an arithmetic number, because the mean of its divisors is an integer number (268191).

Almost surely, 25318240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5318240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6436584).

5318240 is an abundant number, since it is smaller than the sum of its proper divisors (7554928).

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

5318240 is a wasteful number, since it uses less digits than its factorization.

5318240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 5318240 is about 2306.1309589874. The cubic root of 5318240 is about 174.5511217120.

The spelling of 5318240 in words is "five million, three hundred eighteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 80 86 160 172 215 344 430 688 773 860 1376 1546 1720 3092 3440 3865 6184 6880 7730 12368 15460 24736 30920 33239 61840 66478 123680 132956 166195 265912 332390 531824 664780 1063648 1329560 2659120 5318240