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880138 = 2731283
BaseRepresentation
bin11010110111000001010
31122201022201
43112320022
5211131023
630510414
710324000
oct3267012
91581281
10880138
11551296
1236540a
1324a7bc
1418ca70
15125bad
hexd6e0a

880138 has 16 divisors (see below), whose sum is σ = 1540800. Its totient is φ = 376908.

The previous prime is 880133. The next prime is 880151. The reversal of 880138 is 831088.

880138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (880133) by changing a digit.

880138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (96300).

2880138 is an apocalyptic number.

880138 is a deficient number, since it is larger than the sum of its proper divisors (660662).

880138 is a wasteful number, since it uses less digits than its factorization.

880138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 880138 is about 938.1567033284. The cubic root of 880138 is about 95.8334060911.

The spelling of 880138 in words is "eight hundred eighty thousand, one hundred thirty-eight".

Divisors: 1 2 7 14 49 98 343 686 1283 2566 8981 17962 62867 125734 440069 880138