Base | Representation |
---|---|
bin | 1000101001000… |
… | …00010100100010 |
3 | 12001101120112102 |
4 | 10110200110202 |
5 | 122023443010 |
6 | 11105330402 |
7 | 1540050665 |
oct | 424402442 |
9 | 161346472 |
10 | 72484130 |
11 | 37a08444 |
12 | 20336a02 |
13 | 1202b424 |
14 | 98ab6dc |
15 | 656bba5 |
hex | 4520522 |
72484130 has 8 divisors (see below), whose sum is σ = 130471452. Its totient is φ = 28993648.
The previous prime is 72484127. The next prime is 72484133. The reversal of 72484130 is 3148427.
It is an interprime number because it is at equal distance from previous prime (72484127) and next prime (72484133).
It can be written as a sum of positive squares in 2 ways, for example, as 69072721 + 3411409 = 8311^2 + 1847^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 72484093 and 72484102.
It is not an unprimeable number, because it can be changed into a prime (72484133) 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, 3624197 + ... + 3624216.
Almost surely, 272484130 is an apocalyptic number.
72484130 is a deficient number, since it is larger than the sum of its proper divisors (57987322).
72484130 is a wasteful number, since it uses less digits than its factorization.
72484130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7248420.
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 72484130 is about 8513.7612134708. The cubic root of 72484130 is about 416.9471185676.
The spelling of 72484130 in words is "seventy-two million, four hundred eighty-four thousand, one hundred thirty".
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