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5017143 = 31672381
BaseRepresentation
bin10011001000111000110111
3100102220020010
4103020320313
52241022033
6255311303
760434145
oct23107067
910386203
105017143
1129174aa
12181b533
131068831
14948595
15691863
hex4c8e37

5017143 has 4 divisors (see below), whose sum is σ = 6689528. Its totient is φ = 3344760.

The previous prime is 5017141. The next prime is 5017231. The reversal of 5017143 is 3417105.

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

It is not a de Polignac number, because 5017143 - 21 = 5017141 is a prime.

It is a D-number.

It is a Duffinian number.

5017143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5017141) 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, 836188 + ... + 836193.

It is an arithmetic number, because the mean of its divisors is an integer number (1672382).

Almost surely, 25017143 is an apocalyptic number.

5017143 is a deficient number, since it is larger than the sum of its proper divisors (1672385).

5017143 is a wasteful number, since it uses less digits than its factorization.

5017143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672384.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 5017143 is about 2239.8979887486. The cubic root of 5017143 is about 171.1927991956.

The spelling of 5017143 in words is "five million, seventeen thousand, one hundred forty-three".

Divisors: 1 3 1672381 5017143