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5580400 = 245271993
BaseRepresentation
bin10101010010011001110000
3101111111212111
4111102121300
52412033100
6315335104
765301250
oct25223160
911444774
105580400
113171701
121a51494
131205017
14a53960
157536ba
hex552670

5580400 has 60 divisors (see below), whose sum is σ = 15329872. Its totient is φ = 1912320.

The previous prime is 5580391. The next prime is 5580401. The reversal of 5580400 is 40855.

It is a happy number.

It is a super-2 number, since 2×55804002 = 62281728320000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5580401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1804 + ... + 3796.

Almost surely, 25580400 is an apocalyptic number.

5580400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5580400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7664936).

5580400 is an abundant number, since it is smaller than the sum of its proper divisors (9749472).

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

5580400 is a wasteful number, since it uses less digits than its factorization.

5580400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 5580400 is about 2362.2870274376. The cubic root of 5580400 is about 177.3733805698.

The spelling of 5580400 in words is "five million, five hundred eighty thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 700 1400 1993 2800 3986 7972 9965 13951 15944 19930 27902 31888 39860 49825 55804 69755 79720 99650 111608 139510 159440 199300 223216 279020 348775 398600 558040 697550 797200 1116080 1395100 2790200 5580400