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2422869840 = 243351121699
BaseRepresentation
bin1001000001101010…
…0000111101010000
320020212001112121000
42100122200331100
514430223313330
61040230302000
7114020024316
oct22032407520
96225045530
102422869840
111033712a76
125774b7900
132c7c653c1
1418dad40b6
15e2a92560
hex906a0f50

2422869840 has 80 divisors (see below), whose sum is σ = 8345448000. Its totient is φ = 646098048.

The previous prime is 2422869833. The next prime is 2422869847. The reversal of 2422869840 is 489682242.

2422869840 is a `hidden beast` number, since 242 + 286 + 98 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (2422869833) and next prime (2422869847).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422869847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558690 + ... + 563009.

It is an arithmetic number, because the mean of its divisors is an integer number (104318100).

Almost surely, 22422869840 is an apocalyptic number.

2422869840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2422869840 is an abundant number, since it is smaller than the sum of its proper divisors (5922578160).

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

2422869840 is a wasteful number, since it uses less digits than its factorization.

2422869840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121721 (or 1121709 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 2422869840 is about 49222.6557593147. The cubic root of 2422869840 is about 1343.1051920147.

The spelling of 2422869840 in words is "two billion, four hundred twenty-two million, eight hundred sixty-nine thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 1121699 2243398 3365097 4486796 5608495 6730194 8973592 10095291 11216990 13460388 16825485 17947184 20190582 22433980 26920776 30285873 33650970 40381164 44867960 50476455 53841552 60571746 67301940 80762328 89735920 100952910 121143492 134603880 151429365 161524656 201905820 242286984 269207760 302858730 403811640 484573968 605717460 807623280 1211434920 2422869840