Search a number
434860561 = 1725580033
BaseRepresentation
bin11001111010110…
…111001000010001
31010022021012112201
4121322313020101
51342311014221
6111052323201
713530153022
oct3172671021
91108235481
10434860561
112035161a3
12101773501
136c128a55
1441a7ac49
152829c891
hex19eb7211

434860561 has 4 divisors (see below), whose sum is σ = 460440612. Its totient is φ = 409280512.

The previous prime is 434860553. The next prime is 434860577. The reversal of 434860561 is 165068434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 165068434 = 282534217.

It can be written as a sum of positive squares in 2 ways, for example, as 261016336 + 173844225 = 16156^2 + 13185^2 .

It is a cyclic number.

It is not a de Polignac number, because 434860561 - 23 = 434860553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434860561.

It is not an unprimeable number, because it can be changed into a prime (434860501) 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, 12790000 + ... + 12790033.

It is an arithmetic number, because the mean of its divisors is an integer number (115110153).

Almost surely, 2434860561 is an apocalyptic number.

It is an amenable number.

434860561 is a deficient number, since it is larger than the sum of its proper divisors (25580051).

434860561 is a wasteful number, since it uses less digits than its factorization.

434860561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25580050.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 434860561 is about 20853.3105525238. The cubic root of 434860561 is about 757.6175165774.

The spelling of 434860561 in words is "four hundred thirty-four million, eight hundred sixty thousand, five hundred sixty-one".

Divisors: 1 17 25580033 434860561