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255100223 = 725206127
BaseRepresentation
bin11110011010010…
…00010100111111
3122210000102201102
433031020110333
51010301201343
641151403315
76215213300
oct1715102477
9583012642
10255100223
11120aa7634
127152353b
1340b09ca1
1425c467a7
15175e03b8
hexf34853f

255100223 has 6 divisors (see below), whose sum is σ = 296749296. Its totient is φ = 218657292.

The previous prime is 255100217. The next prime is 255100267. The reversal of 255100223 is 322001552.

It is not a de Polignac number, because 255100223 - 28 = 255099967 is a prime.

It is a super-2 number, since 2×2551002232 = 130152247549299458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255100195 and 255100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255103223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2603015 + ... + 2603112.

It is an arithmetic number, because the mean of its divisors is an integer number (49458216).

Almost surely, 2255100223 is an apocalyptic number.

255100223 is a deficient number, since it is larger than the sum of its proper divisors (41649073).

255100223 is an equidigital number, since it uses as much as digits as its factorization.

255100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206141 (or 5206134 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 255100223 is about 15971.8572182448. The cubic root of 255100223 is about 634.2156376550.

Adding to 255100223 its reverse (322001552), we get a palindrome (577101775).

The spelling of 255100223 in words is "two hundred fifty-five million, one hundred thousand, two hundred twenty-three".

Divisors: 1 7 49 5206127 36442889 255100223