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540556143 = 32329270143
BaseRepresentation
bin100000001110000…
…011101101101111
31101200011002121220
4200032003231233
52101340244033
6125345554423
716252436301
oct4016035557
91350132556
10540556143
11258147916
12131045a13
1387cb4b0a
1451b11971
15326c9bb3
hex20383b6f

540556143 has 16 divisors (see below), whose sum is σ = 778014720. Its totient is φ = 332814944.

The previous prime is 540556129. The next prime is 540556147. The reversal of 540556143 is 341655045.

540556143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 540556143 - 25 = 540556111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540556147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133071 + ... + 137072.

It is an arithmetic number, because the mean of its divisors is an integer number (48625920).

Almost surely, 2540556143 is an apocalyptic number.

540556143 is a deficient number, since it is larger than the sum of its proper divisors (237458577).

540556143 is a wasteful number, since it uses less digits than its factorization.

540556143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270198.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 540556143 is about 23249.8632899207. The cubic root of 540556143 is about 814.6047454245.

The spelling of 540556143 in words is "five hundred forty million, five hundred fifty-six thousand, one hundred forty-three".

Divisors: 1 3 23 29 69 87 667 2001 270143 810429 6213289 7834147 18639867 23502441 180185381 540556143