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2255730531 = 33191926393
BaseRepresentation
bin1000011001110011…
…1011011101100011
312211012112222120020
42012130323131203
514104431334111
61011500044523
7106620251565
oct20634733543
95735488506
102255730531
11a5833480a
1252b533743
1329c4451c2
14175827335
15d3079906
hex8673b763

2255730531 has 16 divisors (see below), whose sum is σ = 3108157440. Its totient is φ = 1453671360.

The previous prime is 2255730523. The next prime is 2255730557. The reversal of 2255730531 is 1350375522.

It is not a de Polignac number, because 2255730531 - 23 = 2255730523 is a prime.

It is a super-2 number, since 2×22557305312 = 10176640456971083922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2255730492 and 2255730501.

It is not an unprimeable number, because it can be changed into a prime (2255730571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72271 + ... + 98663.

It is an arithmetic number, because the mean of its divisors is an integer number (194259840).

Almost surely, 22255730531 is an apocalyptic number.

2255730531 is a deficient number, since it is larger than the sum of its proper divisors (852426909).

2255730531 is a wasteful number, since it uses less digits than its factorization.

2255730531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27346.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 2255730531 is about 47494.5315904894. The cubic root of 2255730531 is about 1311.4822162018.

The spelling of 2255730531 in words is "two billion, two hundred fifty-five million, seven hundred thirty thousand, five hundred thirty-one".

Divisors: 1 3 31 93 919 2757 26393 28489 79179 85467 818183 2454549 24255167 72765501 751910177 2255730531