Search a number
-
+
2137889 = 13473499
BaseRepresentation
bin1000001001111100100001
311000121122002
420021330201
51021403024
6113453345
724112625
oct10117441
94017562
102137889
111230256
12871255
1359b130
143d9185
152c36ae
hex209f21

2137889 has 8 divisors (see below), whose sum is σ = 2352000. Its totient is φ = 1930896.

The previous prime is 2137879. The next prime is 2137907. The reversal of 2137889 is 9887312.

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

It is a cyclic number.

It is not a de Polignac number, because 2137889 - 212 = 2133793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137829) 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, 1139 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (294000).

22137889 is an apocalyptic number.

It is an amenable number.

2137889 is a deficient number, since it is larger than the sum of its proper divisors (214111).

2137889 is a wasteful number, since it uses less digits than its factorization.

2137889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559.

The product of its digits is 24192, while the sum is 38.

The square root of 2137889 is about 1462.1521808622. The cubic root of 2137889 is about 128.8234871266.

The spelling of 2137889 in words is "two million, one hundred thirty-seven thousand, eight hundred eighty-nine".

Divisors: 1 13 47 611 3499 45487 164453 2137889