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2127138 = 231327271
BaseRepresentation
bin1000000111010100100010
311000001212220
420013110202
51021032023
6113331510
724036366
oct10072442
94001786
102127138
111223172
12866b96
13596280
143d52a6
152c03e3
hex207522

2127138 has 16 divisors (see below), whose sum is σ = 4581696. Its totient is φ = 654480.

The previous prime is 2127133. The next prime is 2127143. The reversal of 2127138 is 8317212.

It is an interprime number because it is at equal distance from previous prime (2127133) and next prime (2127143).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2127133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13558 + ... + 13713.

It is an arithmetic number, because the mean of its divisors is an integer number (286356).

22127138 is an apocalyptic number.

2127138 is an abundant number, since it is smaller than the sum of its proper divisors (2454558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2127138 is a wasteful number, since it uses less digits than its factorization.

2127138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27289.

The product of its digits is 672, while the sum is 24.

The square root of 2127138 is about 1458.4711173006. The cubic root of 2127138 is about 128.6071819438.

The spelling of 2127138 in words is "two million, one hundred twenty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 27271 54542 81813 163626 354523 709046 1063569 2127138