Base | Representation |
---|---|
bin | 1000101010011… |
… | …11000010111000 |
3 | 12001202022001122 |
4 | 10111033002320 |
5 | 122101104022 |
6 | 11113404412 |
7 | 1541505650 |
oct | 425170270 |
9 | 161668048 |
10 | 72675512 |
11 | 38029208 |
12 | 20409708 |
13 | 12097580 |
14 | 991b360 |
15 | 65a8742 |
hex | 454f0b8 |
72675512 has 32 divisors (see below), whose sum is σ = 167714400. Its totient is φ = 28750464.
The previous prime is 72675509. The next prime is 72675517. The reversal of 72675512 is 21557627.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72675517) 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, 49187 + ... + 50642.
It is an arithmetic number, because the mean of its divisors is an integer number (5241075).
Almost surely, 272675512 is an apocalyptic number.
It is an amenable number.
72675512 is an abundant number, since it is smaller than the sum of its proper divisors (95038888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72675512 is a wasteful number, since it uses less digits than its factorization.
72675512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99855 (or 99851 counting only the distinct ones).
The product of its digits is 29400, while the sum is 35.
The square root of 72675512 is about 8524.9933724314. The cubic root of 72675512 is about 417.3137553605.
The spelling of 72675512 in words is "seventy-two million, six hundred seventy-five thousand, five hundred twelve".
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