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9144091 = 11275571
BaseRepresentation
bin100010111000…
…011100011011
3122012120100001
4202320130123
54320102331
6523553431
7140503105
oct42703433
918176301
109144091
115186100
12308b877
131b82108
141300575
15c09561
hex8b871b

9144091 has 6 divisors (see below), whose sum is σ = 10051076. Its totient is φ = 8312700.

The previous prime is 9144067. The next prime is 9144131. The reversal of 9144091 is 1904419.

9144091 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 9144091 - 25 = 9144059 is a prime.

It is a super-2 number, since 2×91440912 = 167228800432562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9144001) 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, 37665 + ... + 37906.

Almost surely, 29144091 is an apocalyptic number.

9144091 is a deficient number, since it is larger than the sum of its proper divisors (906985).

9144091 is a wasteful number, since it uses less digits than its factorization.

9144091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75593 (or 75582 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 9144091 is about 3023.9198071377. The cubic root of 9144091 is about 209.1125893828.

It can be divided in two parts, 914 and 4091, that added together give a palindrome (5005).

The spelling of 9144091 in words is "nine million, one hundred forty-four thousand, ninety-one".

Divisors: 1 11 121 75571 831281 9144091