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54464143 = 221324611
BaseRepresentation
bin1100111111000…
…0111010001111
310210111001202111
43033300322033
5102420323033
65223204451
71230636406
oct317607217
9123431674
1054464143
112881a798
12162a6727
13b38c306
14733a63d
154bac7cd
hex33f0e8f

54464143 has 4 divisors (see below), whose sum is σ = 54490968. Its totient is φ = 54437320.

The previous prime is 54464131. The next prime is 54464147. The reversal of 54464143 is 34146445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54464143 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 (54464147) 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, 10093 + ... + 14518.

It is an arithmetic number, because the mean of its divisors is an integer number (13622742).

Almost surely, 254464143 is an apocalyptic number.

54464143 is a deficient number, since it is larger than the sum of its proper divisors (26825).

54464143 is a wasteful number, since it uses less digits than its factorization.

54464143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26824.

The product of its digits is 23040, while the sum is 31.

The square root of 54464143 is about 7379.9825880553. The cubic root of 54464143 is about 379.0561594852.

The spelling of 54464143 in words is "fifty-four million, four hundred sixty-four thousand, one hundred forty-three".

Divisors: 1 2213 24611 54464143