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260728801 = 1574793467
BaseRepresentation
bin11111000101001…
…10011111100001
3200011121101200021
433202212133201
51013221310201
641512153441
76314105164
oct1742463741
9604541607
10260728801
111241a1453
1273398881
134202abc8
14268adadb
1517d52ea1
hexf8a67e1

260728801 has 8 divisors (see below), whose sum is σ = 263013120. Its totient is φ = 258452688.

The previous prime is 260728789. The next prime is 260728843. The reversal of 260728801 is 108827062.

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 260728801 - 219 = 260204513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260728891) 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, 73470 + ... + 76936.

It is an arithmetic number, because the mean of its divisors is an integer number (32876640).

Almost surely, 2260728801 is an apocalyptic number.

It is an amenable number.

260728801 is a deficient number, since it is larger than the sum of its proper divisors (2284319).

260728801 is a wasteful number, since it uses less digits than its factorization.

260728801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 260728801 is about 16147.0988415876. The cubic root of 260728801 is about 638.8462293762.

The spelling of 260728801 in words is "two hundred sixty million, seven hundred twenty-eight thousand, eight hundred one".

Divisors: 1 157 479 3467 75203 544319 1660693 260728801