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4997719 = 20992381
BaseRepresentation
bin10011000100001001010111
3100101220120201
4103010021113
52234411334
6255041331
760323416
oct23041127
910356521
104997719
112903951
121810247
13105ca3c
1494147d
1568ac14
hex4c4257

4997719 has 4 divisors (see below), whose sum is σ = 5002200. Its totient is φ = 4993240.

The previous prime is 4997717. The next prime is 4997747. The reversal of 4997719 is 9177994.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4997719 - 21 = 4997717 is a prime.

It is a super-2 number, since 2×49977192 = 49954390405922, which contains 22 as substring.

It is a Duffinian number.

4997719 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997717) 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, 909 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (1250550).

Almost surely, 24997719 is an apocalyptic number.

4997719 is a deficient number, since it is larger than the sum of its proper divisors (4481).

4997719 is a wasteful number, since it uses less digits than its factorization.

4997719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480.

The product of its digits is 142884, while the sum is 46.

The square root of 4997719 is about 2235.5578722100. The cubic root of 4997719 is about 170.9715876782.

The spelling of 4997719 in words is "four million, nine hundred ninety-seven thousand, seven hundred nineteen".

Divisors: 1 2099 2381 4997719