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9992141 = 17587773
BaseRepresentation
bin100110000111…
…011111001101
3200210122122022
4212013133031
510024222031
6554055525
7150634415
oct46073715
920718568
109992141
115705275
12341a5a5
1320bb113
141481645
15d2597b
hex9877cd

9992141 has 4 divisors (see below), whose sum is σ = 10579932. Its totient is φ = 9404352.

The previous prime is 9992131. The next prime is 9992149. The reversal of 9992141 is 1412999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5244100 + 4748041 = 2290^2 + 2179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9992141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9992149) 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, 293870 + ... + 293903.

It is an arithmetic number, because the mean of its divisors is an integer number (2644983).

Almost surely, 29992141 is an apocalyptic number.

It is an amenable number.

9992141 is a deficient number, since it is larger than the sum of its proper divisors (587791).

9992141 is a wasteful number, since it uses less digits than its factorization.

9992141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587790.

The product of its digits is 5832, while the sum is 35.

The square root of 9992141 is about 3161.0347989227. The cubic root of 9992141 is about 215.3870152042.

The spelling of 9992141 in words is "nine million, nine hundred ninety-two thousand, one hundred forty-one".

Divisors: 1 17 587773 9992141