Search a number
-
+
545468349 = 3181822783
BaseRepresentation
bin100000100000110…
…010111110111101
31102000101122220110
4200200302332331
52104114441344
6130043140233
716342255506
oct4040627675
91360348813
10545468349
1125a9a2498
12132814679
138901494a
145262dbad
1532d4a3b9
hex20832fbd

545468349 has 4 divisors (see below), whose sum is σ = 727291136. Its totient is φ = 363645564.

The previous prime is 545468347. The next prime is 545468351. The reversal of 545468349 is 943864545.

545468349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (545468347) and next prime (545468351).

It is not a de Polignac number, because 545468349 - 21 = 545468347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545468298 and 545468307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545468347) 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, 90911389 + ... + 90911394.

It is an arithmetic number, because the mean of its divisors is an integer number (181822784).

Almost surely, 2545468349 is an apocalyptic number.

It is an amenable number.

545468349 is a deficient number, since it is larger than the sum of its proper divisors (181822787).

545468349 is a wasteful number, since it uses less digits than its factorization.

545468349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181822786.

The product of its digits is 2073600, while the sum is 48.

The square root of 545468349 is about 23355.2638392290. The cubic root of 545468349 is about 817.0648328774.

It can be divided in two parts, 54546 and 8349, that multiplied together give a palindrome (455404554).

The spelling of 545468349 in words is "five hundred forty-five million, four hundred sixty-eight thousand, three hundred forty-nine".

Divisors: 1 3 181822783 545468349