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9140805 = 3251910691
BaseRepresentation
bin100010110111…
…101001000101
3122012101211100
4202313221011
54320001210
6523530313
7140460402
oct42675105
918171740
109140805
115183693
123089999
131b8077b
1412dd2a9
15c085c0
hex8b7a45

9140805 has 24 divisors (see below), whose sum is σ = 16679520. Its totient is φ = 4618080.

The previous prime is 9140797. The next prime is 9140809. The reversal of 9140805 is 5080419.

9140805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9140805 - 23 = 9140797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9140809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4491 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (694980).

Almost surely, 29140805 is an apocalyptic number.

9140805 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9140805 is a deficient number, since it is larger than the sum of its proper divisors (7538715).

9140805 is a wasteful number, since it uses less digits than its factorization.

9140805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721 (or 10718 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9140805 is about 3023.3764238017. The cubic root of 9140805 is about 209.0875376383.

The spelling of 9140805 in words is "nine million, one hundred forty thousand, eight hundred five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 10691 32073 53455 96219 160365 203129 481095 609387 1015645 1828161 3046935 9140805