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5111857 = 30716651
BaseRepresentation
bin10011100000000000110001
3100121201011001
4103200000301
52302034412
6301322001
761310242
oct23400061
910551131
105111857
112981683
121866301
13109c98a
14970cc9
156ae957
hex4e0031

5111857 has 4 divisors (see below), whose sum is σ = 5128816. Its totient is φ = 5094900.

The previous prime is 5111837. The next prime is 5111879. The reversal of 5111857 is 7581115.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5111857 is a prime.

It is a super-2 number, since 2×51118572 = 52262163976898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5111837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8019 + ... + 8632.

It is an arithmetic number, because the mean of its divisors is an integer number (1282204).

Almost surely, 25111857 is an apocalyptic number.

It is an amenable number.

5111857 is a deficient number, since it is larger than the sum of its proper divisors (16959).

5111857 is a wasteful number, since it uses less digits than its factorization.

5111857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16958.

The product of its digits is 1400, while the sum is 28.

The square root of 5111857 is about 2260.9416179990. The cubic root of 5111857 is about 172.2633540020.

The spelling of 5111857 in words is "five million, one hundred eleven thousand, eight hundred fifty-seven".

Divisors: 1 307 16651 5111857