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5644143 = 321075861
BaseRepresentation
bin10101100001111101101111
3101121202022100
4111201331233
52421103033
6320550143
765655141
oct25417557
911552270
105644143
11320558a
121a82353
13122803b
14a6cc91
15767513
hex561f6f

5644143 has 12 divisors (see below), whose sum is σ = 8230248. Its totient is φ = 3726960.

The previous prime is 5644127. The next prime is 5644157. The reversal of 5644143 is 3414465.

5644143 is a `hidden beast` number, since 5 + 644 + 14 + 3 = 666.

5644143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5644143 - 24 = 5644127 is a prime.

5644143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1968 + ... + 3893.

It is an arithmetic number, because the mean of its divisors is an integer number (685854).

Almost surely, 25644143 is an apocalyptic number.

5644143 is a deficient number, since it is larger than the sum of its proper divisors (2586105).

5644143 is a wasteful number, since it uses less digits than its factorization.

5644143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974 (or 5971 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 5644143 is about 2375.7405161339. The cubic root of 5644143 is about 178.0461837827.

The spelling of 5644143 in words is "five million, six hundred forty-four thousand, one hundred forty-three".

Divisors: 1 3 9 107 321 963 5861 17583 52749 627127 1881381 5644143