Base | Representation |
---|---|
bin | 1000101011100… |
… | …11101101000111 |
3 | 12002000221001002 |
4 | 10111303231013 |
5 | 122120410141 |
6 | 11120523515 |
7 | 1543002512 |
oct | 425635507 |
9 | 162027032 |
10 | 72825671 |
11 | 38121006 |
12 | 2048059b |
13 | 1211aa19 |
14 | 9959d79 |
15 | 65d7e9b |
hex | 4573b47 |
72825671 has 8 divisors (see below), whose sum is σ = 77225040. Its totient is φ = 68439168.
The previous prime is 72825631. The next prime is 72825677. The reversal of 72825671 is 17652827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-72825671 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72825677) 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, 10040 + ... + 15698.
It is an arithmetic number, because the mean of its divisors is an integer number (9653130).
Almost surely, 272825671 is an apocalyptic number.
72825671 is a deficient number, since it is larger than the sum of its proper divisors (4399369).
72825671 is a wasteful number, since it uses less digits than its factorization.
72825671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6433.
The product of its digits is 47040, while the sum is 38.
The square root of 72825671 is about 8533.7958142904. The cubic root of 72825671 is about 417.6009695195.
The spelling of 72825671 in words is "seventy-two million, eight hundred twenty-five thousand, six hundred seventy-one".
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