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268512485 = 5411309817
BaseRepresentation
bin10000000000010…
…010110011100101
3200201020211212212
4100000102303211
51022214344420
642351053205
76440214143
oct2000226345
9621224785
10268512485
1112862844a
1275b11205
1343824a37
1427938593
151888e3c5
hex10012ce5

268512485 has 8 divisors (see below), whose sum is σ = 330074136. Its totient is φ = 209570560.

The previous prime is 268512473. The next prime is 268512487. The reversal of 268512485 is 584215862.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25090081 + 243422404 = 5009^2 + 15602^2 .

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

It is not a de Polignac number, because 268512485 - 210 = 268511461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268512487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654704 + ... + 655113.

It is an arithmetic number, because the mean of its divisors is an integer number (41259267).

Almost surely, 2268512485 is an apocalyptic number.

It is an amenable number.

268512485 is a deficient number, since it is larger than the sum of its proper divisors (61561651).

268512485 is a wasteful number, since it uses less digits than its factorization.

268512485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309863.

The product of its digits is 153600, while the sum is 41.

The square root of 268512485 is about 16386.3505699103. The cubic root of 268512485 is about 645.1412746649.

The spelling of 268512485 in words is "two hundred sixty-eight million, five hundred twelve thousand, four hundred eighty-five".

Divisors: 1 5 41 205 1309817 6549085 53702497 268512485