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5071819 = 23921221
BaseRepresentation
bin10011010110001111001011
3100112200020011
4103112033023
52244244234
6300412351
761052434
oct23261713
910480204
105071819
112954595
1218470b7
13108769c
1496048b
156a2b64
hex4d63cb

5071819 has 4 divisors (see below), whose sum is σ = 5093280. Its totient is φ = 5050360.

The previous prime is 5071813. The next prime is 5071837. The reversal of 5071819 is 9181705.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5071819 - 215 = 5039051 is a prime.

It is a super-2 number, since 2×50718192 = 51446695937522, which contains 22 as substring.

It is a Duffinian number.

5071819 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5071813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10372 + ... + 10849.

It is an arithmetic number, because the mean of its divisors is an integer number (1273320).

Almost surely, 25071819 is an apocalyptic number.

5071819 is a deficient number, since it is larger than the sum of its proper divisors (21461).

5071819 is a wasteful number, since it uses less digits than its factorization.

5071819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21460.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 5071819 is about 2252.0699367471. The cubic root of 5071819 is about 171.8124307347.

The spelling of 5071819 in words is "five million, seventy-one thousand, eight hundred nineteen".

Divisors: 1 239 21221 5071819