Search a number
-
+
7132045 = 511171277
BaseRepresentation
bin11011001101001110001101
3111102100022211
4123031032031
53311211140
6412510421
7114423064
oct33151615
914370284
107132045
114031458
12247b411
13162935b
14d391db
1595d2ea
hex6cd38d

7132045 has 8 divisors (see below), whose sum is σ = 8572824. Its totient is φ = 5696064.

The previous prime is 7132043. The next prime is 7132063. The reversal of 7132045 is 5402317.

It can be written as a sum of positive squares in 4 ways, for example, as 93636 + 7038409 = 306^2 + 2653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7132045 - 21 = 7132043 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7132043) 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 7 ways as a sum of consecutive naturals, for example, 4947 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (1071603).

Almost surely, 27132045 is an apocalyptic number.

It is an amenable number.

7132045 is a deficient number, since it is larger than the sum of its proper divisors (1440779).

7132045 is a wasteful number, since it uses less digits than its factorization.

7132045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7132045 is about 2670.5888863694. The cubic root of 7132045 is about 192.4884571704.

The spelling of 7132045 in words is "seven million, one hundred thirty-two thousand, forty-five".

Divisors: 1 5 1117 1277 5585 6385 1426409 7132045