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56541143 = 371528139
BaseRepresentation
bin1101011110101…
…1111111010111
310221101120212102
43113223333113
5103433304033
65335512315
71254406661
oct327537727
9127346772
1056541143
1129a0921a
1216b2869b
13b9387c9
14771b531
154e6cde8
hex35ebfd7

56541143 has 4 divisors (see below), whose sum is σ = 58069320. Its totient is φ = 55012968.

The previous prime is 56541119. The next prime is 56541151. The reversal of 56541143 is 34114565.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34114565 = 56822913.

It is a cyclic number.

It is not a de Polignac number, because 56541143 - 210 = 56540119 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 (56541103) 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, 764033 + ... + 764106.

It is an arithmetic number, because the mean of its divisors is an integer number (14517330).

Almost surely, 256541143 is an apocalyptic number.

56541143 is a deficient number, since it is larger than the sum of its proper divisors (1528177).

56541143 is a wasteful number, since it uses less digits than its factorization.

56541143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528176.

The product of its digits is 7200, while the sum is 29.

The square root of 56541143 is about 7519.3844827885. The cubic root of 56541143 is about 383.8146326643.

The spelling of 56541143 in words is "fifty-six million, five hundred forty-one thousand, one hundred forty-three".

Divisors: 1 37 1528139 56541143