Search a number
-
+
2668037 = 19140423
BaseRepresentation
bin1010001011011000000101
312000112212012
422023120011
51140334122
6133104005
731451351
oct12133005
95015765
102668037
111562599
12a88005
13725528
144d6461
1537a7e2
hex28b605

2668037 has 4 divisors (see below), whose sum is σ = 2808480. Its totient is φ = 2527596.

The previous prime is 2668027. The next prime is 2668051. The reversal of 2668037 is 7308662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7308662 = 23654331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2668037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2667994 and 2668012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668027) 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, 70193 + ... + 70230.

It is an arithmetic number, because the mean of its divisors is an integer number (702120).

22668037 is an apocalyptic number.

It is an amenable number.

2668037 is a deficient number, since it is larger than the sum of its proper divisors (140443).

2668037 is a wasteful number, since it uses less digits than its factorization.

2668037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140442.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2668037 is about 1633.4126851473. The cubic root of 2668037 is about 138.6960042042.

The spelling of 2668037 in words is "two million, six hundred sixty-eight thousand, thirty-seven".

Divisors: 1 19 140423 2668037