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255100553 = 435932571
BaseRepresentation
bin11110011010010…
…00011010001001
3122210000110011122
433031020122021
51010301204203
641151405025
76215214251
oct1715103211
9583013148
10255100553
11120aa7904
1271523775
1340b0a196
1425c46961
15175e0538
hexf348689

255100553 has 4 divisors (see below), whose sum is σ = 261033168. Its totient is φ = 249167940.

The previous prime is 255100543. The next prime is 255100603. The reversal of 255100553 is 355001552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255100553 - 214 = 255084169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255100543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2966243 + ... + 2966328.

It is an arithmetic number, because the mean of its divisors is an integer number (65258292).

Almost surely, 2255100553 is an apocalyptic number.

It is an amenable number.

255100553 is a deficient number, since it is larger than the sum of its proper divisors (5932615).

255100553 is an equidigital number, since it uses as much as digits as its factorization.

255100553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932614.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 255100553 is about 15971.8675489124. The cubic root of 255100553 is about 634.2159111306.

Subtracting 255100553 from its reverse (355001552), we obtain a palindrome (99900999).

The spelling of 255100553 in words is "two hundred fifty-five million, one hundred thousand, five hundred fifty-three".

Divisors: 1 43 5932571 255100553