Search a number
-
+
22464242420 = 2256416592659
BaseRepresentation
bin10100111010111110…
…010010001011110100
32010222120102202100112
4110322332102023310
5332001321224140
614153034402152
71423453624064
oct247276221364
963876382315
1022464242420
11958852a904
12442b290358
132170097549
1411316a93a4
158b7281c65
hex53af922f4

22464242420 has 48 divisors (see below), whose sum is σ = 47337998400. Its totient is φ = 8954695680.

The previous prime is 22464242369. The next prime is 22464242429. The reversal of 22464242420 is 2424246422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22464242429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8447051 + ... + 8449709.

It is an arithmetic number, because the mean of its divisors is an integer number (986208300).

Almost surely, 222464242420 is an apocalyptic number.

22464242420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22464242420 is an abundant number, since it is smaller than the sum of its proper divisors (24873755980).

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

22464242420 is a wasteful number, since it uses less digits than its factorization.

22464242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968 (or 3966 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 22464242420 its reverse (2424246422), we get a palindrome (24888488842).

The spelling of 22464242420 in words is "twenty-two billion, four hundred sixty-four million, two hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 641 659 1282 1318 2564 2636 2659 3205 3295 5318 6410 6590 10636 12820 13180 13295 26590 53180 422419 844838 1689676 1704419 1752281 2112095 3408838 3504562 4224190 6817676 7009124 8448380 8522095 8761405 17044190 17522810 34088380 35045620 1123212121 2246424242 4492848484 5616060605 11232121210 22464242420