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5019149 = 5698821
BaseRepresentation
bin10011001001011000001101
3100102222222102
4103021120031
52241103044
6255324445
760443042
oct23113015
910388872
105019149
112918a63
121820725
131069715
149491c9
1569224e
hex4c960d

5019149 has 4 divisors (see below), whose sum is σ = 5028540. Its totient is φ = 5009760.

The previous prime is 5019139. The next prime is 5019163. The reversal of 5019149 is 9419105.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 3087049 = 1390^2 + 1757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5019149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5019139) 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, 3842 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (1257135).

Almost surely, 25019149 is an apocalyptic number.

It is an amenable number.

5019149 is a deficient number, since it is larger than the sum of its proper divisors (9391).

5019149 is an equidigital number, since it uses as much as digits as its factorization.

5019149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9390.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 5019149 is about 2240.3457322476. The cubic root of 5019149 is about 171.2156121124.

The spelling of 5019149 in words is "five million, nineteen thousand, one hundred forty-nine".

Divisors: 1 569 8821 5019149