Search a number
-
+
2137882 = 21068941
BaseRepresentation
bin1000001001111100011010
311000121121211
420021330122
51021403012
6113453334
724112615
oct10117432
94017554
102137882
11123024a
1287124a
1359b126
143d917c
152c36a7
hex209f1a

2137882 has 4 divisors (see below), whose sum is σ = 3206826. Its totient is φ = 1068940.

The previous prime is 2137879. The next prime is 2137907. The reversal of 2137882 is 2887312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1515361 + 622521 = 1231^2 + 789^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534469 + ... + 534472.

22137882 is an apocalyptic number.

2137882 is a deficient number, since it is larger than the sum of its proper divisors (1068944).

2137882 is a wasteful number, since it uses less digits than its factorization.

2137882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068943.

The product of its digits is 5376, while the sum is 31.

The square root of 2137882 is about 1462.1497871285. The cubic root of 2137882 is about 128.8233465260.

The spelling of 2137882 in words is "two million, one hundred thirty-seven thousand, eight hundred eighty-two".

Divisors: 1 2 1068941 2137882