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9040431 = 329103913
BaseRepresentation
bin100010011111…
…001000101111
3122000022010210
4202133020233
54303243211
6521433503
7136561641
oct42371057
918008123
109040431
115115234
12303b893
131b46b8a
1412b4891
15bd89a6
hex89f22f

9040431 has 8 divisors (see below), whose sum is σ = 12469680. Its totient is φ = 5819072.

The previous prime is 9040429. The next prime is 9040439. The reversal of 9040431 is 1340409.

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 9040431 - 21 = 9040429 is a prime.

It is a super-2 number, since 2×90404312 = 163458785331522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9040398 and 9040407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9040439) 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, 51870 + ... + 52043.

It is an arithmetic number, because the mean of its divisors is an integer number (1558710).

Almost surely, 29040431 is an apocalyptic number.

9040431 is a deficient number, since it is larger than the sum of its proper divisors (3429249).

9040431 is a wasteful number, since it uses less digits than its factorization.

9040431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103945.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 9040431 is about 3006.7309490541. The cubic root of 9040431 is about 208.3193980368.

The spelling of 9040431 in words is "nine million, forty thousand, four hundred thirty-one".

Divisors: 1 3 29 87 103913 311739 3013477 9040431