Search a number
-
+
426670049 = 1383395431
BaseRepresentation
bin11001011011100…
…111011111100001
31002201212002021102
4121123213133201
51333211420144
6110201004145
713400431001
oct3133473741
91081762242
10426670049
111a9931583
12baa83655
136a51b9b0
1440948001
15276d0b4e
hex196e77e1

426670049 has 8 divisors (see below), whose sum is σ = 465028032. Its totient is φ = 389103120.

The previous prime is 426670039. The next prime is 426670093. The reversal of 426670049 is 940076624.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-426670049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426669994 and 426670021.

It is not an unprimeable number, because it can be changed into a prime (426670039) 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, 196637 + ... + 198794.

It is an arithmetic number, because the mean of its divisors is an integer number (58128504).

Almost surely, 2426670049 is an apocalyptic number.

It is an amenable number.

426670049 is a deficient number, since it is larger than the sum of its proper divisors (38357983).

426670049 is a wasteful number, since it uses less digits than its factorization.

426670049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395527.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 426670049 is about 20655.9930528648. The cubic root of 426670049 is about 752.8308124105.

The spelling of 426670049 in words is "four hundred twenty-six million, six hundred seventy thousand, forty-nine".

Divisors: 1 13 83 1079 395431 5140603 32820773 426670049