Base | Representation |
---|---|
bin | 1000101000110… |
… | …00111111000101 |
3 | 12001100001022122 |
4 | 10110120333011 |
5 | 122022012320 |
6 | 11104535325 |
7 | 1536564254 |
oct | 424307705 |
9 | 161301278 |
10 | 72454085 |
11 | 37997910 |
12 | 20321545 |
13 | 1201a852 |
14 | 98a079b |
15 | 6562d25 |
hex | 4518fc5 |
72454085 has 16 divisors (see below), whose sum is σ = 100429632. Its totient is φ = 49593600.
The previous prime is 72454079. The next prime is 72454091. The reversal of 72454085 is 58045427.
It is an interprime number because it is at equal distance from previous prime (72454079) and next prime (72454091).
It is not a de Polignac number, because 72454085 - 212 = 72449989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37811 + ... + 39680.
It is an arithmetic number, because the mean of its divisors is an integer number (6276852).
Almost surely, 272454085 is an apocalyptic number.
It is an amenable number.
72454085 is a deficient number, since it is larger than the sum of its proper divisors (27975547).
72454085 is a wasteful number, since it uses less digits than its factorization.
72454085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77524.
The product of its (nonzero) digits is 44800, while the sum is 35.
The square root of 72454085 is about 8511.9965343038. The cubic root of 72454085 is about 416.8895017834.
The spelling of 72454085 in words is "seventy-two million, four hundred fifty-four thousand, eighty-five".
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