Search a number
-
+
2623885 = 51124337
BaseRepresentation
bin1010000000100110001101
311221022021221
422000212031
51132431020
6132123341
731205545
oct12004615
94838257
102623885
111532400
12a66551
1370b3c4
144c4325
1536c6aa
hex28098d

2623885 has 12 divisors (see below), whose sum is σ = 3461724. Its totient is φ = 1907840.

The previous prime is 2623883. The next prime is 2623897. The reversal of 2623885 is 5883262.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 2271049 = 594^2 + 1507^2 .

It is not a de Polignac number, because 2623885 - 21 = 2623883 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2623885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1564 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (288477).

22623885 is an apocalyptic number.

It is an amenable number.

2623885 is a deficient number, since it is larger than the sum of its proper divisors (837839).

2623885 is a wasteful number, since it uses less digits than its factorization.

2623885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364 (or 4353 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 2623885 is about 1619.8410415840. The cubic root of 2623885 is about 137.9266746215.

The spelling of 2623885 in words is "two million, six hundred twenty-three thousand, eight hundred eighty-five".

Divisors: 1 5 11 55 121 605 4337 21685 47707 238535 524777 2623885