Search a number
-
+
427081593 = 3208768213
BaseRepresentation
bin11001011101001…
…011111101111001
31002202121222210210
4121131023331321
51333313102333
6110213501333
713404063561
oct3135137571
91082558723
10427081593
111aa0927a4
12bb041849
136a634103
1440a13da1
1527762a63
hex1974bf79

427081593 has 8 divisors (see below), whose sum is σ = 569723328. Its totient is φ = 284580464.

The previous prime is 427081583. The next prime is 427081607. The reversal of 427081593 is 395180724.

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 427081593 - 25 = 427081561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427081553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27846 + ... + 40367.

It is an arithmetic number, because the mean of its divisors is an integer number (71215416).

Almost surely, 2427081593 is an apocalyptic number.

It is an amenable number.

427081593 is a deficient number, since it is larger than the sum of its proper divisors (142641735).

427081593 is a wasteful number, since it uses less digits than its factorization.

427081593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70303.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 427081593 is about 20665.9525064779. The cubic root of 427081593 is about 753.0727819330.

The spelling of 427081593 in words is "four hundred twenty-seven million, eighty-one thousand, five hundred ninety-three".

Divisors: 1 3 2087 6261 68213 204639 142360531 427081593