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9140071 = 3129511
BaseRepresentation
bin100010110111…
…011101100111
3122012100211011
4202313131213
54314440241
6523523051
7140455303
oct42673547
918170734
109140071
115183086
123089487
131b80335
1412dcd03
15c08281
hex8b7767

9140071 has 6 divisors (see below), whose sum is σ = 9445416. Its totient is φ = 8844300.

The previous prime is 9140059. The next prime is 9140081. The reversal of 9140071 is 1700419.

It is not a de Polignac number, because 9140071 - 27 = 9139943 is a prime.

It is a Duffinian number.

9140071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3795 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (1574236).

Almost surely, 29140071 is an apocalyptic number.

9140071 is a deficient number, since it is larger than the sum of its proper divisors (305345).

9140071 is an equidigital number, since it uses as much as digits as its factorization.

9140071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573 (or 9542 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 9140071 is about 3023.2550338997. The cubic root of 9140071 is about 209.0819409627.

The spelling of 9140071 in words is "nine million, one hundred forty thousand, seventy-one".

Divisors: 1 31 961 9511 294841 9140071