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556683680 = 2557643773
BaseRepresentation
bin100001001011100…
…101000110100000
31102210111110110002
4201023211012200
52120002334210
6131123355132
716536506330
oct4113450640
91383443402
10556683680
11266262763
12136522aa8
138b440737
1453d0d0c0
1533d134a5
hex212e51a0

556683680 has 96 divisors (see below), whose sum is σ = 1507330944. Its totient is φ = 190319616.

The previous prime is 556683671. The next prime is 556683727. The reversal of 556683680 is 86386655.

It is a super-3 number, since 3×5566836803 (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719774 + ... + 720546.

It is an arithmetic number, because the mean of its divisors is an integer number (15701364).

Almost surely, 2556683680 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 556683680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753665472).

556683680 is an abundant number, since it is smaller than the sum of its proper divisors (950647264).

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

556683680 is a wasteful number, since it uses less digits than its factorization.

556683680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The square root of 556683680 is about 23594.1450364280. The cubic root of 556683680 is about 822.6267540537.

The spelling of 556683680 in words is "five hundred fifty-six million, six hundred eighty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 643 773 1120 1286 1546 2572 3092 3215 3865 4501 5144 5411 6184 6430 7730 9002 10288 10822 12368 12860 15460 18004 20576 21644 22505 24736 25720 27055 30920 36008 43288 45010 51440 54110 61840 72016 86576 90020 102880 108220 123680 144032 173152 180040 216440 360080 432880 497039 720160 865760 994078 1988156 2485195 3479273 3976312 4970390 6958546 7952624 9940780 13917092 15905248 17396365 19881560 27834184 34792730 39763120 55668368 69585460 79526240 111336736 139170920 278341840 556683680