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5287480 = 2351161197
BaseRepresentation
bin10100001010111000111000
3100221122001121
4110022320320
52323144410
6305155024
762641252
oct24127070
910848047
105287480
112a91620
12192ba74
1311318b3
149b8cd2
156e69da
hex50ae38

5287480 has 64 divisors (see below), whose sum is σ = 13258080. Its totient is φ = 1881600.

The previous prime is 5287427. The next prime is 5287489. The reversal of 5287480 is 847825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26742 + ... + 26938.

Almost surely, 25287480 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 5287480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6629040).

5287480 is an abundant number, since it is smaller than the sum of its proper divisors (7970600).

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

5287480 is a wasteful number, since it uses less digits than its factorization.

5287480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 5287480 is about 2299.4521086555. The cubic root of 5287480 is about 174.2139439074.

It can be divided in two parts, 528 and 7480, that added together give a palindrome (8008).

The spelling of 5287480 in words is "five million, two hundred eighty-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 61 88 110 122 197 220 244 305 394 440 488 610 671 788 985 1220 1342 1576 1970 2167 2440 2684 3355 3940 4334 5368 6710 7880 8668 10835 12017 13420 17336 21670 24034 26840 43340 48068 60085 86680 96136 120170 132187 240340 264374 480680 528748 660935 1057496 1321870 2643740 5287480