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7714145 = 52953201
BaseRepresentation
bin11101011011010101100001
3112111220211002
4131123111201
53433323040
6433201345
7122366135
oct35332541
915456732
107714145
11439982a
122700255
1317a12aa
14104b3c5
15a25a15
hex75b561

7714145 has 8 divisors (see below), whose sum is σ = 9576360. Its totient is φ = 5958400.

The previous prime is 7714139. The next prime is 7714153. The reversal of 7714145 is 5414177.

It can be written as a sum of positive squares in 4 ways, for example, as 1682209 + 6031936 = 1297^2 + 2456^2 .

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

It is not a de Polignac number, because 7714145 - 214 = 7697761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

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, 26456 + ... + 26745.

It is an arithmetic number, because the mean of its divisors is an integer number (1197045).

Almost surely, 27714145 is an apocalyptic number.

It is an amenable number.

7714145 is a deficient number, since it is larger than the sum of its proper divisors (1862215).

7714145 is a wasteful number, since it uses less digits than its factorization.

7714145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53235.

The product of its digits is 3920, while the sum is 29.

The square root of 7714145 is about 2777.4349677355. The cubic root of 7714145 is about 197.5889253984.

Subtracting from 7714145 its reverse (5414177), we obtain a cube (2299968 = 1323).

The spelling of 7714145 in words is "seven million, seven hundred fourteen thousand, one hundred forty-five".

Divisors: 1 5 29 145 53201 266005 1542829 7714145