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5112911 = 11345247
BaseRepresentation
bin10011100000010001001111
3100121202121002
4103200101033
52302103121
6301330515
761313306
oct23402117
910552532
105112911
112982451
121866a3b
1310a02bb
1497143d
156aee0b
hex4e044f

5112911 has 4 divisors (see below), whose sum is σ = 5158272. Its totient is φ = 5067552.

The previous prime is 5112901. The next prime is 5112917. The reversal of 5112911 is 1192115.

5112911 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1192115 = 5238423.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5112911 is a prime.

It is a super-2 number, since 2×51129112 = 52283717787842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5112917) 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, 22511 + ... + 22736.

It is an arithmetic number, because the mean of its divisors is an integer number (1289568).

Almost surely, 25112911 is an apocalyptic number.

5112911 is a deficient number, since it is larger than the sum of its proper divisors (45361).

5112911 is a wasteful number, since it uses less digits than its factorization.

5112911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45360.

The product of its digits is 90, while the sum is 20.

The square root of 5112911 is about 2261.1746947107. The cubic root of 5112911 is about 172.2751926937.

The spelling of 5112911 in words is "five million, one hundred twelve thousand, nine hundred eleven".

Divisors: 1 113 45247 5112911