Base | Representation |
---|---|
bin | 1100111101101… |
… | …0011111101011 |
3 | 10210022101211001 |
4 | 3033122133223 |
5 | 102404403311 |
6 | 5221215431 |
7 | 1230104626 |
oct | 317323753 |
9 | 123271731 |
10 | 54372331 |
11 | 28767812 |
12 | 16261577 |
13 | b3595a0 |
14 | 7314dbd |
15 | 4b904c1 |
hex | 33da7eb |
54372331 has 4 divisors (see below), whose sum is σ = 58554832. Its totient is φ = 50189832.
The previous prime is 54372317. The next prime is 54372337. The reversal of 54372331 is 13327345.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13327345 = 5 ⋅2665469.
It is a cyclic number.
It is not a de Polignac number, because 54372331 - 217 = 54241259 is a prime.
It is a super-2 number, since 2×543723312 = 5912700756747122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 54372331.
It is not an unprimeable number, because it can be changed into a prime (54372337) 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, 2091231 + ... + 2091256.
It is an arithmetic number, because the mean of its divisors is an integer number (14638708).
Almost surely, 254372331 is an apocalyptic number.
54372331 is a deficient number, since it is larger than the sum of its proper divisors (4182501).
54372331 is a wasteful number, since it uses less digits than its factorization.
54372331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4182500.
The product of its digits is 7560, while the sum is 28.
The square root of 54372331 is about 7373.7596245063. The cubic root of 54372331 is about 378.8430438701.
Adding to 54372331 its reverse (13327345), we get a palindrome (67699676).
The spelling of 54372331 in words is "fifty-four million, three hundred seventy-two thousand, three hundred thirty-one".
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