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514005143 = 2087246289
BaseRepresentation
bin11110101000110…
…001100010010111
31022211012011111112
4132220301202113
52023041131033
6123000525235
715510654161
oct3650614227
91284164445
10514005143
11244162743
1212418081b
1382649972
144c39d931
15301d2c48
hex1ea31897

514005143 has 4 divisors (see below), whose sum is σ = 514253520. Its totient is φ = 513756768.

The previous prime is 514005133. The next prime is 514005161. The reversal of 514005143 is 341500415.

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 514005143 - 210 = 514004119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514005133) 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, 121058 + ... + 125231.

It is an arithmetic number, because the mean of its divisors is an integer number (128563380).

Almost surely, 2514005143 is an apocalyptic number.

514005143 is a deficient number, since it is larger than the sum of its proper divisors (248377).

514005143 is a wasteful number, since it uses less digits than its factorization.

514005143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248376.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 514005143 is about 22671.6815212282. The cubic root of 514005143 is about 801.0429849496.

Adding to 514005143 its reverse (341500415), we get a palindrome (855505558).

The spelling of 514005143 in words is "five hundred fourteen million, five thousand, one hundred forty-three".

Divisors: 1 2087 246289 514005143