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9042691 = 71775989
BaseRepresentation
bin100010011111…
…101100000011
3122000102020111
4202133230003
54303331231
6521452151
7136601350
oct42375403
918012214
109042691
1151169a9
123041057
131b47c08
1412b5627
15bd94b1
hex89fb03

9042691 has 8 divisors (see below), whose sum is σ = 10942560. Its totient is φ = 7294848.

The previous prime is 9042647. The next prime is 9042707. The reversal of 9042691 is 1962409.

It is a happy number.

9042691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9042691 - 27 = 9042563 is a prime.

9042691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9042641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37876 + ... + 38113.

It is an arithmetic number, because the mean of its divisors is an integer number (1367820).

Almost surely, 29042691 is an apocalyptic number.

9042691 is a deficient number, since it is larger than the sum of its proper divisors (1899869).

9042691 is a wasteful number, since it uses less digits than its factorization.

9042691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76013.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9042691 is about 3007.1067490197. The cubic root of 9042691 is about 208.3367557127.

The spelling of 9042691 in words is "nine million, forty-two thousand, six hundred ninety-one".

Divisors: 1 7 17 119 75989 531923 1291813 9042691