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7145706 = 231190951
BaseRepresentation
bin11011010000100011101010
3111110001001210
4123100203222
53312130311
6413053550
7114510651
oct33204352
914401053
107145706
114040747
1224872b6
131632639
14d40198
159623a6
hex6d08ea

7145706 has 8 divisors (see below), whose sum is σ = 14291424. Its totient is φ = 2381900.

The previous prime is 7145701. The next prime is 7145707. The reversal of 7145706 is 6075417.

It is a happy number.

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

7145706 is an admirable number.

It is a super-2 number, since 2×71457062 = 102122228476872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595470 + ... + 595481.

It is an arithmetic number, because the mean of its divisors is an integer number (1786428).

Almost surely, 27145706 is an apocalyptic number.

7145706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7145706 is a wasteful number, since it uses less digits than its factorization.

7145706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190956.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 7145706 is about 2673.1453383608. The cubic root of 7145706 is about 192.6112787763.

The spelling of 7145706 in words is "seven million, one hundred forty-five thousand, seven hundred six".

Divisors: 1 2 3 6 1190951 2381902 3572853 7145706