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22804244240 = 2452312393611
BaseRepresentation
bin10101001111001111…
…010010011100010000
32011212021012122011112
4111033033102130100
5333200341303430
614250502032452
71435052610041
oct251717223420
964767178145
1022804244240
119742446248
124505118728
1321c565c95b
1411648d28c8
158d7043195
hex54f3d2710

22804244240 has 40 divisors (see below), whose sum is σ = 55325083968. Its totient is φ = 8725101440.

The previous prime is 22804244237. The next prime is 22804244249. The reversal of 22804244240 is 4244240822.

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

It is a junction number, because it is equal to n+sod(n) for n = 22804244197 and 22804244206.

It is not an unprimeable number, because it can be changed into a prime (22804244249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6194966 + ... + 6198645.

Almost surely, 222804244240 is an apocalyptic number.

22804244240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22804244240 is an abundant number, since it is smaller than the sum of its proper divisors (32520839728).

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

22804244240 is a wasteful number, since it uses less digits than its factorization.

22804244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12393647 (or 12393641 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The spelling of 22804244240 in words is "twenty-two billion, eight hundred four million, two hundred forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 230 368 460 920 1840 12393611 24787222 49574444 61968055 99148888 123936110 198297776 247872220 285053053 495744440 570106106 991488880 1140212212 1425265265 2280424424 2850530530 4560848848 5701061060 11402122120 22804244240