Search a number
-
+
541607421 = 3180535807
BaseRepresentation
bin100000010010000…
…100010111111101
31101202010111201010
4200102010113331
52102122414141
6125424305433
716264405245
oct4022042775
91352114633
10541607421
112587a5743
12131472279
1388292484
1451d06b25
1532836416
hex204845fd

541607421 has 4 divisors (see below), whose sum is σ = 722143232. Its totient is φ = 361071612.

The previous prime is 541607419. The next prime is 541607441. The reversal of 541607421 is 124706145.

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 not a de Polignac number, because 541607421 - 21 = 541607419 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541607411) 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, 90267901 + ... + 90267906.

It is an arithmetic number, because the mean of its divisors is an integer number (180535808).

Almost surely, 2541607421 is an apocalyptic number.

It is an amenable number.

541607421 is a deficient number, since it is larger than the sum of its proper divisors (180535811).

541607421 is a wasteful number, since it uses less digits than its factorization.

541607421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180535810.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 541607421 is about 23272.4605703823. The cubic root of 541607421 is about 815.1324867734.

The spelling of 541607421 in words is "five hundred forty-one million, six hundred seven thousand, four hundred twenty-one".

Divisors: 1 3 180535807 541607421