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9152093 = 53172681
BaseRepresentation
bin100010111010…
…011001011101
3122012222022102
4202322121131
54320331333
6524054445
7140535326
oct42723135
918188272
109152093
115191115
123094425
131b85952
14130344d
15c0bae8
hex8ba65d

9152093 has 4 divisors (see below), whose sum is σ = 9324828. Its totient is φ = 8979360.

The previous prime is 9152089. The next prime is 9152111. The reversal of 9152093 is 3902519.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3902519 = 15312549.

It can be written as a sum of positive squares in 2 ways, for example, as 4214809 + 4937284 = 2053^2 + 2222^2 .

It is a cyclic number.

It is not a de Polignac number, because 9152093 - 22 = 9152089 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9152063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86288 + ... + 86393.

It is an arithmetic number, because the mean of its divisors is an integer number (2331207).

Almost surely, 29152093 is an apocalyptic number.

It is an amenable number.

9152093 is a deficient number, since it is larger than the sum of its proper divisors (172735).

9152093 is a wasteful number, since it uses less digits than its factorization.

9152093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172734.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 9152093 is about 3025.2426348972. The cubic root of 9152093 is about 209.1735697861.

The spelling of 9152093 in words is "nine million, one hundred fifty-two thousand, ninety-three".

Divisors: 1 53 172681 9152093