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22247449952 = 257137639921
BaseRepresentation
bin10100101110000011…
…010010010101100000
32010102110111112222212
4110232003102111200
5331030321344302
614115332021252
71415212130060
oct245603222540
963373445885
1022247449952
119487118482
12438a761828
1321371b0a90
1411109953a0
158a320c052
hex52e0d2560

22247449952 has 48 divisors (see below), whose sum is σ = 53907289632. Its totient is φ = 8801187840.

The previous prime is 22247449871. The next prime is 22247449967. The reversal of 22247449952 is 25994474222.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22247449952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817049 + ... + 3822872.

It is an arithmetic number, because the mean of its divisors is an integer number (1123068534).

Almost surely, 222247449952 is an apocalyptic number.

It is an amenable number.

22247449952 is an abundant number, since it is smaller than the sum of its proper divisors (31659839680).

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

22247449952 is a wasteful number, since it uses less digits than its factorization.

22247449952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7639951 (or 7639943 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The spelling of 22247449952 in words is "twenty-two billion, two hundred forty-seven million, four hundred forty-nine thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 1456 2912 7639921 15279842 30559684 53479447 61119368 99318973 106958894 122238736 198637946 213917788 244477472 397275892 427835576 695232811 794551784 855671152 1390465622 1589103568 1711342304 2780931244 3178207136 5561862488 11123724976 22247449952