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2255229828 = 223262645273
BaseRepresentation
bin1000011001101100…
…0001001110000100
312211011121112201200
42012123001032010
514104314323303
61011441222500
7106613065035
oct20633011604
95734545650
102255229828
11a58022605
1252b331a30
1329c2cb327
14175736a8c
15d2ecb3a3
hex866c1384

2255229828 has 18 divisors (see below), whose sum is σ = 5700719934. Its totient is φ = 751743264.

The previous prime is 2255229803. The next prime is 2255229857. The reversal of 2255229828 is 8289225522.

2255229828 is a `hidden beast` number, since 2 + 2 + 552 + 2 + 98 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1336048704 + 919181124 = 36552^2 + 30318^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31322601 + ... + 31322672.

It is an arithmetic number, because the mean of its divisors is an integer number (316706663).

Almost surely, 22255229828 is an apocalyptic number.

It is an amenable number.

2255229828 is an abundant number, since it is smaller than the sum of its proper divisors (3445490106).

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

2255229828 is a wasteful number, since it uses less digits than its factorization.

2255229828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62645283 (or 62645278 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 2255229828 is about 47489.2601332133. The cubic root of 2255229828 is about 1311.3851727439.

The spelling of 2255229828 in words is "two billion, two hundred fifty-five million, two hundred twenty-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 62645273 125290546 187935819 250581092 375871638 563807457 751743276 1127614914 2255229828