Search a number
-
+
430155041 = 1922639739
BaseRepresentation
bin11001101000111…
…010010100100001
31002222102010210012
4121220322110201
51340104430131
6110403414305
713442154221
oct3150722441
91088363705
10430155041
112008a1938
12100084395
136b16c014
14411b4081
1527b6d52b
hex19a3a521

430155041 has 4 divisors (see below), whose sum is σ = 452794800. Its totient is φ = 407515284.

The previous prime is 430155031. The next prime is 430155071. The reversal of 430155041 is 140551034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-430155041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 430154998 and 430155016.

It is not an unprimeable number, because it can be changed into a prime (430155031) 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, 11319851 + ... + 11319888.

It is an arithmetic number, because the mean of its divisors is an integer number (113198700).

Almost surely, 2430155041 is an apocalyptic number.

It is an amenable number.

430155041 is a deficient number, since it is larger than the sum of its proper divisors (22639759).

430155041 is a wasteful number, since it uses less digits than its factorization.

430155041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22639758.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 430155041 is about 20740.1793868809. The cubic root of 430155041 is about 754.8749356460.

The spelling of 430155041 in words is "four hundred thirty million, one hundred fifty-five thousand, forty-one".

Divisors: 1 19 22639739 430155041