Base | Representation |
---|---|
bin | 1100111010010… |
… | …0011111100111 |
3 | 10202220011101220 |
4 | 3032210133213 |
5 | 102330314033 |
6 | 5212351423 |
7 | 1225164024 |
oct | 316443747 |
9 | 122804356 |
10 | 54151143 |
11 | 28626612 |
12 | 16175573 |
13 | b2ac9c7 |
14 | 729854b |
15 | 4b49bb3 |
hex | 33a47e7 |
54151143 has 4 divisors (see below), whose sum is σ = 72201528. Its totient is φ = 36100760.
The previous prime is 54151129. The next prime is 54151151. The reversal of 54151143 is 34115145.
It is a happy number.
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 54151143 - 24 = 54151127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54151183) 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, 9025188 + ... + 9025193.
It is an arithmetic number, because the mean of its divisors is an integer number (18050382).
Almost surely, 254151143 is an apocalyptic number.
54151143 is a deficient number, since it is larger than the sum of its proper divisors (18050385).
54151143 is a wasteful number, since it uses less digits than its factorization.
54151143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18050384.
The product of its digits is 1200, while the sum is 24.
The square root of 54151143 is about 7358.7460208924. The cubic root of 54151143 is about 378.3286313703.
Adding to 54151143 its reverse (34115145), we get a palindrome (88266288).
The spelling of 54151143 in words is "fifty-four million, one hundred fifty-one thousand, one hundred forty-three".
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