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258262673 = 13713732
BaseRepresentation
bin11110110010011…
…00011010010001
3122222222002210012
433121030122101
51012103401143
641343244305
76254124254
oct1731143221
9588862705
10258262673
11122867629
12725a9695
1341676566
142642b09b
1517a17418
hexf64c691

258262673 has 6 divisors (see below), whose sum is σ = 260337414. Its totient is φ = 256190816.

The previous prime is 258262663. The next prime is 258262679. The reversal of 258262673 is 376262852.

258262673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 208022929 + 50239744 = 14423^2 + 7088^2 .

It is not a de Polignac number, because 258262673 - 210 = 258261649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258262673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258262679) 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, 187415 + ... + 188787.

It is an arithmetic number, because the mean of its divisors is an integer number (43389569).

Almost surely, 2258262673 is an apocalyptic number.

It is an amenable number.

258262673 is a deficient number, since it is larger than the sum of its proper divisors (2074741).

258262673 is an frugal number, since it uses more digits than its factorization.

258262673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883 (or 1510 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 258262673 is about 16070.5529774180. The cubic root of 258262673 is about 636.8256494989.

The spelling of 258262673 in words is "two hundred fifty-eight million, two hundred sixty-two thousand, six hundred seventy-three".

Divisors: 1 137 1373 188101 1885129 258262673