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9144077 = 29315313
BaseRepresentation
bin100010111000…
…011100001101
3122012120022112
4202320130031
54320102302
6523553405
7140503055
oct42703415
918176275
109144077
115186098
12308b865
131b820c7
141300565
15c09552
hex8b870d

9144077 has 4 divisors (see below), whose sum is σ = 9459420. Its totient is φ = 8828736.

The previous prime is 9144067. The next prime is 9144131. The reversal of 9144077 is 7704419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7704419 = 9779427.

It can be written as a sum of positive squares in 2 ways, for example, as 6522916 + 2621161 = 2554^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 9144077 - 212 = 9139981 is a prime.

It is a super-2 number, since 2×91440772 = 167228288363858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9144007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157628 + ... + 157685.

It is an arithmetic number, because the mean of its divisors is an integer number (2364855).

Almost surely, 29144077 is an apocalyptic number.

It is an amenable number.

9144077 is a deficient number, since it is larger than the sum of its proper divisors (315343).

9144077 is a wasteful number, since it uses less digits than its factorization.

9144077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315342.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 9144077 is about 3023.9174922607. The cubic root of 9144077 is about 209.1124826626.

The spelling of 9144077 in words is "nine million, one hundred forty-four thousand, seventy-seven".

Divisors: 1 29 315313 9144077