Base | Representation |
---|---|
bin | 1100111010010… |
… | …1000000001111 |
3 | 10202220021021020 |
4 | 3032211000033 |
5 | 102330400411 |
6 | 5212405223 |
7 | 1225203066 |
oct | 316450017 |
9 | 122807236 |
10 | 54153231 |
11 | 28628140 |
12 | 16176813 |
13 | b2b0942 |
14 | 72991dd |
15 | 4b4a606 |
hex | 33a500f |
54153231 has 8 divisors (see below), whose sum is σ = 78768384. Its totient is φ = 32820120.
The previous prime is 54153199. The next prime is 54153269. The reversal of 54153231 is 13235145.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54153231 - 25 = 54153199 is a prime.
It is a super-2 number, since 2×541532312 = 5865144855478722, which contains 22 as substring.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54153031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820471 + ... + 820536.
It is an arithmetic number, because the mean of its divisors is an integer number (9846048).
Almost surely, 254153231 is an apocalyptic number.
54153231 is a deficient number, since it is larger than the sum of its proper divisors (24615153).
54153231 is a wasteful number, since it uses less digits than its factorization.
54153231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1641021.
The product of its digits is 1800, while the sum is 24.
The square root of 54153231 is about 7358.8878915227. The cubic root of 54153231 is about 378.3334939332. Note that the first 3 decimals are identical.
Adding to 54153231 its reverse (13235145), we get a palindrome (67388376).
It can be divided in two parts, 5415 and 3231, that added together give a triangular number (8646 = T131).
The spelling of 54153231 in words is "fifty-four million, one hundred fifty-three thousand, two hundred thirty-one".
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