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286100401 = 1093261757
BaseRepresentation
bin10001000011011…
…000101110110001
3201221100101222011
4101003120232301
51041220203101
644220042521
710042545646
oct2103305661
9657311864
10286100401
11137550514
127b993441
13473722a2
1429dd5dcd
151a1b5751
hex110d8bb1

286100401 has 4 divisors (see below), whose sum is σ = 286363252. Its totient is φ = 285837552.

The previous prime is 286100387. The next prime is 286100411. The reversal of 286100401 is 104001682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 215943025 + 70157376 = 14695^2 + 8376^2 .

It is a cyclic number.

It is not a de Polignac number, because 286100401 - 25 = 286100369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (286100411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129786 + ... + 131971.

It is an arithmetic number, because the mean of its divisors is an integer number (71590813).

Almost surely, 2286100401 is an apocalyptic number.

It is an amenable number.

286100401 is a deficient number, since it is larger than the sum of its proper divisors (262851).

286100401 is a wasteful number, since it uses less digits than its factorization.

286100401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262850.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 286100401 is about 16914.5026826094. The cubic root of 286100401 is about 658.9303157788.

The spelling of 286100401 in words is "two hundred eighty-six million, one hundred thousand, four hundred one".

Divisors: 1 1093 261757 286100401