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9140023 = 9719413
BaseRepresentation
bin100010110111…
…011100110111
3122012100202101
4202313130313
54314440043
6523522531
7140455204
oct42673467
918170671
109140023
115183042
123089447
131b802c9
1412dccab
15c0824d
hex8b7737

9140023 has 4 divisors (see below), whose sum is σ = 9150408. Its totient is φ = 9129640.

The previous prime is 9140011. The next prime is 9140029. The reversal of 9140023 is 3200419.

9140023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3200419 = 4178059.

It is a cyclic number.

It is not a de Polignac number, because 9140023 - 213 = 9131831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736 + ... + 5677.

It is an arithmetic number, because the mean of its divisors is an integer number (2287602).

Almost surely, 29140023 is an apocalyptic number.

9140023 is a deficient number, since it is larger than the sum of its proper divisors (10385).

9140023 is an equidigital number, since it uses as much as digits as its factorization.

9140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10384.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 9140023 is about 3023.2470954257. The cubic root of 9140023 is about 209.0815749571.

The spelling of 9140023 in words is "nine million, one hundred forty thousand, twenty-three".

Divisors: 1 971 9413 9140023