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22398284552 = 237275592
BaseRepresentation
bin10100110111000010…
…101011001100001000
32010210222022202011112
4110313002223030020
5331332430101202
614142320545452
71422023164100
oct246702531410
963728282145
1022398284552
11955427a776
124411182288
13215c512817
141126a1a200
158b15a3b52
hex5370ab308

22398284552 has 36 divisors (see below), whose sum is σ = 48859865055. Its totient is φ = 9597994896.

The previous prime is 22398284549. The next prime is 22398284561. The reversal of 22398284552 is 25548289322.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 11199142276 + 11199142276 = 105826^2 + 105826^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=105826.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22398284552.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2959349 + ... + 2966907.

Almost surely, 222398284552 is an apocalyptic number.

It is an amenable number.

22398284552 is an abundant number, since it is smaller than the sum of its proper divisors (26461580503).

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

22398284552 is an frugal number, since it uses more digits than its factorization.

22398284552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15138 (or 7568 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 50.

Multiplying 22398284552 by its sum of digits (50), we get a square (1119914227600 = 10582602).

The spelling of 22398284552 in words is "twenty-two billion, three hundred ninety-eight million, two hundred eighty-four thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 7559 15118 30236 52913 60472 105826 211652 370391 423304 740782 1481564 2963128 57138481 114276962 228553924 399969367 457107848 799938734 1599877468 2799785569 3199754936 5599571138 11199142276 22398284552