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2138026 = 211157619
BaseRepresentation
bin1000001001111110101010
311000121211011
420021332222
51021404101
6113454134
724113212
oct10117652
94017734
102138026
111230370
1287134a
1359b207
143d9242
152c3751
hex209faa

2138026 has 16 divisors (see below), whose sum is σ = 3526560. Its totient is φ = 964080.

The previous prime is 2137999. The next prime is 2138029. The reversal of 2138026 is 6208312.

2138026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2137988 and 2138006.

It is not an unprimeable number, because it can be changed into a prime (2138029) 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 7 ways as a sum of consecutive naturals, for example, 3145 + ... + 3763.

It is an arithmetic number, because the mean of its divisors is an integer number (220410).

22138026 is an apocalyptic number.

2138026 is a deficient number, since it is larger than the sum of its proper divisors (1388534).

2138026 is a wasteful number, since it uses less digits than its factorization.

2138026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2138026 is about 1462.1990288603. The cubic root of 2138026 is about 128.8262388193.

The spelling of 2138026 in words is "two million, one hundred thirty-eight thousand, twenty-six".

Divisors: 1 2 11 22 157 314 619 1238 1727 3454 6809 13618 97183 194366 1069013 2138026