Base | Representation |
---|---|
bin | 1100111110100… |
… | …1000011111011 |
3 | 10210102102122211 |
4 | 3033221003323 |
5 | 102413310440 |
6 | 5222355551 |
7 | 1230443602 |
oct | 317510373 |
9 | 123372584 |
10 | 54431995 |
11 | 287a8622 |
12 | 1628bbb7 |
13 | b37a7a7 |
14 | 732ca39 |
15 | 4ba2eea |
hex | 33e90fb |
54431995 has 8 divisors (see below), whose sum is σ = 67083984. Its totient is φ = 42368544.
The previous prime is 54431963. The next prime is 54432013. The reversal of 54431995 is 59913445.
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 54431995 - 25 = 54431963 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146929 + ... + 147298.
It is an arithmetic number, because the mean of its divisors is an integer number (8385498).
Almost surely, 254431995 is an apocalyptic number.
54431995 is a deficient number, since it is larger than the sum of its proper divisors (12651989).
54431995 is a wasteful number, since it uses less digits than its factorization.
54431995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294269.
The product of its digits is 97200, while the sum is 40.
The square root of 54431995 is about 7377.8042126367. The cubic root of 54431995 is about 378.9815642553.
The spelling of 54431995 in words is "fifty-four million, four hundred thirty-one thousand, nine hundred ninety-five".
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