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2255433281 = 38921532693
BaseRepresentation
bin1000011001101111…
…0010111001000001
312211011222212210222
42012123302321001
514104342331111
61011445432425
7106614603143
oct20633627101
95734885728
102255433281
11a58151452
1252b40b715
1329c36cb0a
1417578ac93
15d301b7db
hex866f2e41

2255433281 has 8 divisors (see below), whose sum is σ = 2263121640. Its totient is φ = 2247755392.

The previous prime is 2255433263. The next prime is 2255433287. The reversal of 2255433281 is 1823345522.

It can be written as a sum of positive squares in 4 ways, for example, as 4879681 + 2250553600 = 2209^2 + 47440^2 .

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 2255433281 - 230 = 1181691457 is a prime.

It is a super-2 number, since 2×22554332812 = 10173958570084849922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255433287) 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, 836171 + ... + 838863.

It is an arithmetic number, because the mean of its divisors is an integer number (282890205).

Almost surely, 22255433281 is an apocalyptic number.

It is an amenable number.

2255433281 is a deficient number, since it is larger than the sum of its proper divisors (7688359).

2255433281 is a wasteful number, since it uses less digits than its factorization.

2255433281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235.

The product of its digits is 57600, while the sum is 35.

The square root of 2255433281 is about 47491.4021797630. The cubic root of 2255433281 is about 1311.4246065999.

The spelling of 2255433281 in words is "two billion, two hundred fifty-five million, four hundred thirty-three thousand, two hundred eighty-one".

Divisors: 1 389 2153 2693 837517 1047577 5798029 2255433281