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5011997 = 7963443
BaseRepresentation
bin10011000111101000011101
3100102122011112
4103013220131
52240340442
6255231405
760413144
oct23075035
910378145
105011997
112913651
121818565
1310663a3
1494675b
15690082
hex4c7a1d

5011997 has 4 divisors (see below), whose sum is σ = 5075520. Its totient is φ = 4948476.

The previous prime is 5011973. The next prime is 5012003. The reversal of 5011997 is 7991105.

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 not a de Polignac number, because 5011997 - 218 = 4749853 is a prime.

It is a super-2 number, since 2×50119972 = 50240227856018, 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 (5011927) 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, 31643 + ... + 31800.

It is an arithmetic number, because the mean of its divisors is an integer number (1268880).

Almost surely, 25011997 is an apocalyptic number.

It is an amenable number.

5011997 is a deficient number, since it is larger than the sum of its proper divisors (63523).

5011997 is an equidigital number, since it uses as much as digits as its factorization.

5011997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63522.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 5011997 is about 2238.7489810160. The cubic root of 5011997 is about 171.1342493057.

The spelling of 5011997 in words is "five million, eleven thousand, nine hundred ninety-seven".

Divisors: 1 79 63443 5011997