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255158045 = 576966361
BaseRepresentation
bin11110011010101…
…10011100011101
3122210010101000222
433031112130131
51010310024140
641152531125
76215544002
oct1715263435
9583111028
10255158045
1112103701a
1271550aa5
1340b2a3bc
1425c5d8a9
15176025b5
hexf35671d

255158045 has 8 divisors (see below), whose sum is σ = 306592440. Its totient is φ = 203857920.

The previous prime is 255158041. The next prime is 255158051. The reversal of 255158045 is 540851552.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 255136729 = 146^2 + 15973^2 .

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

It is not a de Polignac number, because 255158045 - 22 = 255158041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255157996 and 255158014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255158041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29336 + ... + 37025.

It is an arithmetic number, because the mean of its divisors is an integer number (38324055).

Almost surely, 2255158045 is an apocalyptic number.

It is an amenable number.

255158045 is a deficient number, since it is larger than the sum of its proper divisors (51434395).

255158045 is an equidigital number, since it uses as much as digits as its factorization.

255158045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67135.

The product of its (nonzero) digits is 40000, while the sum is 35.

The square root of 255158045 is about 15973.6672370499. The cubic root of 255158045 is about 634.2635519555.

The spelling of 255158045 in words is "two hundred fifty-five million, one hundred fifty-eight thousand, forty-five".

Divisors: 1 5 769 3845 66361 331805 51031609 255158045