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2255838169 = 13265765309
BaseRepresentation
bin1000011001110101…
…0101101111011001
312211012202110012211
42012131111233121
514104443310134
61011502235121
7106621210444
oct20635255731
95735673184
102255838169
11a583a8672
1252b585aa1
1329c4821b0
1417585465b
15d309b764
hex86755bd9

2255838169 has 8 divisors (see below), whose sum is σ = 2430315720. Its totient is φ = 2081496576.

The previous prime is 2255838139. The next prime is 2255838173. The reversal of 2255838169 is 9618385522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 441504144 + 1814334025 = 21012^2 + 42595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2255838169 - 27 = 2255838041 is a prime.

It is a super-2 number, since 2×22558381692 = 10177611689434545122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255838119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1887 + ... + 67195.

It is an arithmetic number, because the mean of its divisors is an integer number (303789465).

Almost surely, 22255838169 is an apocalyptic number.

It is an amenable number.

2255838169 is a deficient number, since it is larger than the sum of its proper divisors (174477551).

2255838169 is a wasteful number, since it uses less digits than its factorization.

2255838169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67979.

The product of its digits is 1036800, while the sum is 49.

The square root of 2255838169 is about 47495.6647390054. The cubic root of 2255838169 is about 1311.5030761221.

The spelling of 2255838169 in words is "two billion, two hundred fifty-five million, eight hundred thirty-eight thousand, one hundred sixty-nine".

Divisors: 1 13 2657 34541 65309 849017 173526013 2255838169