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2256223450 = 2521315722109
BaseRepresentation
bin1000011001111011…
…0011110011011010
312211020111000201111
42012132303303122
514110043122300
61011514410534
7106624403635
oct20636636332
95736430644
102256223450
11a58641088
1252b730a4a
1329c588680
14175914c1c
15d31259ba
hex867b3cda

2256223450 has 48 divisors (see below), whose sum is σ = 4548380760. Its totient is φ = 827723520.

The previous prime is 2256223441. The next prime is 2256223451. The reversal of 2256223450 is 543226522.

It can be written as a sum of positive squares in 12 ways, for example, as 157025961 + 2099197489 = 12531^2 + 45817^2 .

It is not an unprimeable number, because it can be changed into a prime (2256223451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90996 + ... + 113104.

Almost surely, 22256223450 is an apocalyptic number.

2256223450 is an abundant number, since it is smaller than the sum of its proper divisors (2292157310).

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

2256223450 is a wasteful number, since it uses less digits than its factorization.

2256223450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22291 (or 22286 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2256223450 is about 47499.7205254936. The cubic root of 2256223450 is about 1311.5777369820.

Adding to 2256223450 its reverse (543226522), we get a palindrome (2799449972).

The spelling of 2256223450 in words is "two billion, two hundred fifty-six million, two hundred twenty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 157 314 325 650 785 1570 2041 3925 4082 7850 10205 20410 22109 44218 51025 102050 110545 221090 287417 552725 574834 1105450 1437085 2874170 3471113 6942226 7185425 14370850 17355565 34711130 45124469 86777825 90248938 173555650 225622345 451244690 1128111725 2256223450