Base | Representation |
---|---|
bin | 1101000001001… |
… | …1111001111001 |
3 | 10210202100101022 |
4 | 3100103321321 |
5 | 102434414411 |
6 | 5230232225 |
7 | 1232104325 |
oct | 320237171 |
9 | 123670338 |
10 | 54607481 |
11 | 28908455 |
12 | 16355675 |
13 | b40c626 |
14 | 7376985 |
15 | 4bd9edb |
hex | 3413e79 |
54607481 has 4 divisors (see below), whose sum is σ = 55024464. Its totient is φ = 54190500.
The previous prime is 54607477. The next prime is 54607513. The reversal of 54607481 is 18470645.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18470645 = 5 ⋅3694129.
It is a cyclic number.
It is not a de Polignac number, because 54607481 - 22 = 54607477 is a prime.
It is a super-2 number, since 2×546074812 = 5963953962330722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54607471) 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, 208295 + ... + 208556.
It is an arithmetic number, because the mean of its divisors is an integer number (13756116).
Almost surely, 254607481 is an apocalyptic number.
It is an amenable number.
54607481 is a deficient number, since it is larger than the sum of its proper divisors (416983).
54607481 is a wasteful number, since it uses less digits than its factorization.
54607481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416982.
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 54607481 is about 7389.6874764769. The cubic root of 54607481 is about 379.3883998300.
The spelling of 54607481 in words is "fifty-four million, six hundred seven thousand, four hundred eighty-one".
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