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260880253 = 4118013533
BaseRepresentation
bin11111000110010…
…11011101111101
3200011220002102121
433203023131331
51013241132003
641515322541
76315305554
oct1743133575
9604802377
10260880253
11124295217
1273450451
1342081b1a
142690cd9b
1517d82cbd
hexf8cb77d

260880253 has 8 divisors (see below), whose sum is σ = 267467256. Its totient is φ = 254304000.

The previous prime is 260880247. The next prime is 260880281. The reversal of 260880253 is 352088062.

It can be written as a sum of positive squares in 4 ways, for example, as 1444804 + 259435449 = 1202^2 + 16107^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 260880253 - 221 = 258783101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260880233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72075 + ... + 75607.

It is an arithmetic number, because the mean of its divisors is an integer number (33433407).

Almost surely, 2260880253 is an apocalyptic number.

It is an amenable number.

260880253 is a deficient number, since it is larger than the sum of its proper divisors (6587003).

260880253 is a wasteful number, since it uses less digits than its factorization.

260880253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 260880253 is about 16151.7879196082. The cubic root of 260880253 is about 638.9699029796.

The spelling of 260880253 in words is "two hundred sixty million, eight hundred eighty thousand, two hundred fifty-three".

Divisors: 1 41 1801 3533 73841 144853 6362933 260880253