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9149069 = 79115811
BaseRepresentation
bin100010111001…
…101010001101
3122012211011102
4202321222031
54320232234
6524032445
7140523446
oct42715215
918184142
109149069
115189916
123092725
131b84467
1413022cd
15c0ac7e
hex8b9a8d

9149069 has 4 divisors (see below), whose sum is σ = 9264960. Its totient is φ = 9033180.

The previous prime is 9149057. The next prime is 9149087. The reversal of 9149069 is 9609419.

9149069 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9609419 = 89107971.

It is a cyclic number.

It is not a de Polignac number, because 9149069 - 24 = 9149053 is a prime.

It is a super-2 number, since 2×91490692 = 167410927133522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9149029) 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, 57827 + ... + 57984.

It is an arithmetic number, because the mean of its divisors is an integer number (2316240).

Almost surely, 29149069 is an apocalyptic number.

It is an amenable number.

9149069 is a deficient number, since it is larger than the sum of its proper divisors (115891).

9149069 is a wasteful number, since it uses less digits than its factorization.

9149069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115890.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 9149069 is about 3024.7427989831. The cubic root of 9149069 is about 209.1505291346.

The spelling of 9149069 in words is "nine million, one hundred forty-nine thousand, sixty-nine".

Divisors: 1 79 115811 9149069