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34527121 = 193178897
BaseRepresentation
bin1000001110110…
…1011110010001
32101222011022021
42003231132101
532314331441
63232011441
7566322106
oct203553621
971864267
1034527121
1118542812
12b690b81
1371cb765
14482aaad
1530703d1
hex20ed791

34527121 has 4 divisors (see below), whose sum is σ = 34706212. Its totient is φ = 34348032.

The previous prime is 34527113. The next prime is 34527127. The reversal of 34527121 is 12172543.

It is a happy number.

34527121 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 an emirpimes, since its reverse is a distinct semiprime: 12172543 = 23529241.

It can be written as a sum of positive squares in 2 ways, for example, as 6553600 + 27973521 = 2560^2 + 5289^2 .

It is a cyclic number.

It is not a de Polignac number, because 34527121 - 23 = 34527113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34527127) 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, 89256 + ... + 89641.

It is an arithmetic number, because the mean of its divisors is an integer number (8676553).

Almost surely, 234527121 is an apocalyptic number.

It is an amenable number.

34527121 is a deficient number, since it is larger than the sum of its proper divisors (179091).

34527121 is a wasteful number, since it uses less digits than its factorization.

34527121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179090.

The product of its digits is 1680, while the sum is 25.

The square root of 34527121 is about 5875.9783015256. The cubic root of 34527121 is about 325.6267856883.

Adding to 34527121 its reverse (12172543), we get a palindrome (46699664).

The spelling of 34527121 in words is "thirty-four million, five hundred twenty-seven thousand, one hundred twenty-one".

Divisors: 1 193 178897 34527121