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5487280 = 245113607
BaseRepresentation
bin10100111011101010110000
3101022210010121
4110323222300
52401043110
6313340024
764432621
oct24735260
911283117
105487280
113108747
121a07614
1311a1816
14a2ba48
15735cda
hex53bab0

5487280 has 40 divisors (see below), whose sum is σ = 12892032. Its totient is φ = 2171904.

The previous prime is 5487263. The next prime is 5487301. The reversal of 5487280 is 827845.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×54872802 = 60220483596800, which contains 22 as substring.

It is an Ulam 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, 8737 + ... + 9343.

Almost surely, 25487280 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 5487280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6446016).

5487280 is an abundant number, since it is smaller than the sum of its proper divisors (7404752).

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

5487280 is a wasteful number, since it uses less digits than its factorization.

5487280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 727 counting only the distinct ones).

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

The square root of 5487280 is about 2342.4943970050. The cubic root of 5487280 is about 176.3812328456.

The spelling of 5487280 in words is "five million, four hundred eighty-seven thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 113 226 452 565 607 904 1130 1214 1808 2260 2428 3035 4520 4856 6070 9040 9712 12140 24280 48560 68591 137182 274364 342955 548728 685910 1097456 1371820 2743640 5487280