Base | Representation |
---|---|
bin | 1101000001100… |
… | …1110001000001 |
3 | 10210210120022111 |
4 | 3100121301001 |
5 | 102441201424 |
6 | 5230535321 |
7 | 1232234323 |
oct | 320316101 |
9 | 123716274 |
10 | 54631489 |
11 | 289244a0 |
12 | 16367541 |
13 | b41a533 |
14 | 7381613 |
15 | 4be2194 |
hex | 3419c41 |
54631489 has 8 divisors (see below), whose sum is σ = 63103968. Its totient is φ = 46743360.
The previous prime is 54631481. The next prime is 54631519. The reversal of 54631489 is 98413645.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54631489 - 23 = 54631481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54631481) 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, 145887 + ... + 146260.
It is an arithmetic number, because the mean of its divisors is an integer number (7887996).
Almost surely, 254631489 is an apocalyptic number.
It is an amenable number.
54631489 is a deficient number, since it is larger than the sum of its proper divisors (8472479).
54631489 is a wasteful number, since it uses less digits than its factorization.
54631489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 292175.
The product of its digits is 103680, while the sum is 40.
The square root of 54631489 is about 7391.3117239094. The cubic root of 54631489 is about 379.4439906394.
The spelling of 54631489 in words is "fifty-four million, six hundred thirty-one thousand, four hundred eighty-nine".
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