Search a number
-
+
260256345 = 3517350423
BaseRepresentation
bin11111000001100…
…11001001011001
3200010201101120220
433200303021121
51013111200340
641454110253
76310066566
oct1740631131
9603641526
10260256345
111239a9498
12731ab389
1341bc3b4b
14267c986d
1517caced0
hexf833259

260256345 has 8 divisors (see below), whose sum is σ = 416410176. Its totient is φ = 138803376.

The previous prime is 260256329. The next prime is 260256391. The reversal of 260256345 is 543652062.

260256345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 260256345 - 24 = 260256329 is a prime.

It is a super-2 number, since 2×2602563452 = 135466730225518050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8675197 + ... + 8675226.

It is an arithmetic number, because the mean of its divisors is an integer number (52051272).

Almost surely, 2260256345 is an apocalyptic number.

It is an amenable number.

260256345 is a deficient number, since it is larger than the sum of its proper divisors (156153831).

260256345 is a wasteful number, since it uses less digits than its factorization.

260256345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17350431.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 260256345 is about 16132.4624592776. The cubic root of 260256345 is about 638.4601203541.

The spelling of 260256345 in words is "two hundred sixty million, two hundred fifty-six thousand, three hundred forty-five".

Divisors: 1 3 5 15 17350423 52051269 86752115 260256345