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2138038 = 27152717
BaseRepresentation
bin1000001001111110110110
311000121211121
420021332312
51021404123
6113454154
724113230
oct10117666
94017747
102138038
111230381
1287135a
1359b216
143d9250
152c375d
hex209fb6

2138038 has 8 divisors (see below), whose sum is σ = 3665232. Its totient is φ = 916296.

The previous prime is 2138033. The next prime is 2138093. The reversal of 2138038 is 8308312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138033) 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, 76345 + ... + 76372.

It is an arithmetic number, because the mean of its divisors is an integer number (458154).

22138038 is an apocalyptic number.

2138038 is a deficient number, since it is larger than the sum of its proper divisors (1527194).

2138038 is a wasteful number, since it uses less digits than its factorization.

2138038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152726.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2138038 is about 1462.2031322631. The cubic root of 2138038 is about 128.8264798379.

The spelling of 2138038 in words is "two million, one hundred thirty-eight thousand, thirty-eight".

Divisors: 1 2 7 14 152717 305434 1069019 2138038