Search a number
-
+
5111885 = 51022377
BaseRepresentation
bin10011100000000001001101
3100121201012002
4103200001031
52302040020
6301322045
761310312
oct23400115
910551162
105111885
1129816a9
121866325
13109c9ac
14970d09
156ae975
hex4e004d

5111885 has 4 divisors (see below), whose sum is σ = 6134268. Its totient is φ = 4089504.

The previous prime is 5111879. The next prime is 5111891. The reversal of 5111885 is 5881115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5881115 = 51176223.

It is an interprime number because it is at equal distance from previous prime (5111879) and next prime (5111891).

It can be written as a sum of positive squares in 2 ways, for example, as 4024036 + 1087849 = 2006^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 5111885 - 220 = 4063309 is a prime.

It is a super-2 number, since 2×51118852 = 52262736506450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511184 + ... + 511193.

It is an arithmetic number, because the mean of its divisors is an integer number (1533567).

Almost surely, 25111885 is an apocalyptic number.

It is an amenable number.

5111885 is a deficient number, since it is larger than the sum of its proper divisors (1022383).

5111885 is a wasteful number, since it uses less digits than its factorization.

5111885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022382.

The product of its digits is 1600, while the sum is 29.

The square root of 5111885 is about 2260.9478101009. The cubic root of 5111885 is about 172.2636685234.

The spelling of 5111885 in words is "five million, one hundred eleven thousand, eight hundred eighty-five".

Divisors: 1 5 1022377 5111885