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426284401 = 1725075553
BaseRepresentation
bin11001011010001…
…001010101110001
31002201010111021011
4121122021111301
51333112100101
6110144430521
713364233444
oct3132112561
91081114234
10426284401
111a9698864
12ba918441
136a4152ba
144088765b
1527656751
hex19689571

426284401 has 4 divisors (see below), whose sum is σ = 451359972. Its totient is φ = 401208832.

The previous prime is 426284389. The next prime is 426284473. The reversal of 426284401 is 104482624.

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 129618225 + 296666176 = 11385^2 + 17224^2 .

It is a cyclic number.

It is not a de Polignac number, because 426284401 - 27 = 426284273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426285401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12537760 + ... + 12537793.

It is an arithmetic number, because the mean of its divisors is an integer number (112839993).

Almost surely, 2426284401 is an apocalyptic number.

It is an amenable number.

426284401 is a deficient number, since it is larger than the sum of its proper divisors (25075571).

426284401 is a wasteful number, since it uses less digits than its factorization.

426284401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25075570.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 426284401 is about 20646.6559277768. The cubic root of 426284401 is about 752.6039273243.

The spelling of 426284401 in words is "four hundred twenty-six million, two hundred eighty-four thousand, four hundred one".

Divisors: 1 17 25075553 426284401