Base | Representation |
---|---|
bin | 1000101010000… |
… | …11111101011001 |
3 | 12001122222202220 |
4 | 10111003331121 |
5 | 122043130410 |
6 | 11112414253 |
7 | 1541226402 |
oct | 425037531 |
9 | 161588686 |
10 | 72630105 |
11 | 37aa8089 |
12 | 203a7389 |
13 | 1207c9c2 |
14 | 99089a9 |
15 | 659a070 |
hex | 4543f59 |
72630105 has 8 divisors (see below), whose sum is σ = 116208192. Its totient is φ = 38736048.
The previous prime is 72630101. The next prime is 72630119. The reversal of 72630105 is 50103627.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 72630105 - 22 = 72630101 is a prime.
It is a super-3 number, since 3×726301053 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (72630101) 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, 2420989 + ... + 2421018.
It is an arithmetic number, because the mean of its divisors is an integer number (14526024).
Almost surely, 272630105 is an apocalyptic number.
It is an amenable number.
72630105 is a deficient number, since it is larger than the sum of its proper divisors (43578087).
72630105 is a wasteful number, since it uses less digits than its factorization.
72630105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4842015.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 72630105 is about 8522.3297870946. The cubic root of 72630105 is about 417.2268259720.
The spelling of 72630105 in words is "seventy-two million, six hundred thirty thousand, one hundred five".
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