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516000220 = 225611512801
BaseRepresentation
bin11110110000011…
…000100111011100
31022221221112020021
4132300120213130
52024044001340
6123111401524
715533633551
oct3660304734
91287845207
10516000220
112452a566a
121249832a4
1382b97a98
144c75ca28
1530478e4a
hex1ec189dc

516000220 has 48 divisors (see below), whose sum is σ = 1109054016. Its totient is φ = 201600000.

The previous prime is 516000217. The next prime is 516000259. The reversal of 516000220 is 22000615.

It is a happy number.

516000220 is nontrivially palindromic in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 516000194 and 516000203.

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, 182820 + ... + 185620.

It is an arithmetic number, because the mean of its divisors is an integer number (23105292).

Almost surely, 2516000220 is an apocalyptic number.

It is an amenable number.

516000220 is an abundant number, since it is smaller than the sum of its proper divisors (593053796).

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

516000220 is a wasteful number, since it uses less digits than its factorization.

516000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022 (or 3020 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 516000220 is about 22715.6382256806. The cubic root of 516000220 is about 802.0780454021.

Adding to 516000220 its reverse (22000615), we get a palindrome (538000835).

The spelling of 516000220 in words is "five hundred sixteen million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 61 122 151 244 302 305 604 610 755 1220 1510 2801 3020 5602 9211 11204 14005 18422 28010 36844 46055 56020 92110 170861 184220 341722 422951 683444 845902 854305 1691804 1708610 2114755 3417220 4229510 8459020 25800011 51600022 103200044 129000055 258000110 516000220