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5255580 = 2235117963
BaseRepresentation
bin10100000011000110011100
3100220000022010
4110003012130
52321134310
6304351220
762446251
oct24030634
910800263
105255580
112a6a660
121915510
131120215
149ab428
156dc320
hex50319c

5255580 has 48 divisors (see below), whose sum is σ = 16055424. Its totient is φ = 1273920.

The previous prime is 5255573. The next prime is 5255603. The reversal of 5255580 is 855525.

It is a super-3 number, since 3×52555803 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3322 + ... + 4641.

It is an arithmetic number, because the mean of its divisors is an integer number (334488).

Almost surely, 25255580 is an apocalyptic number.

It is an amenable number.

5255580 is an abundant number, since it is smaller than the sum of its proper divisors (10799844).

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

5255580 is a wasteful number, since it uses less digits than its factorization.

5255580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986 (or 7984 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 5255580 is about 2292.5051799287. The cubic root of 5255580 is about 173.8628857711.

It can be divided in two parts, 525 and 5580, that added together give a triangular number (6105 = T110).

The spelling of 5255580 in words is "five million, two hundred fifty-five thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 7963 15926 23889 31852 39815 47778 79630 87593 95556 119445 159260 175186 238890 262779 350372 437965 477780 525558 875930 1051116 1313895 1751860 2627790 5255580