Base | Representation |
---|---|
bin | 1000101010010… |
… | …01000110111100 |
3 | 12001201001201001 |
4 | 10111021012330 |
5 | 122044314241 |
6 | 11113100044 |
7 | 1541345032 |
oct | 425110674 |
9 | 161631631 |
10 | 72651196 |
11 | 38011a12 |
12 | 203b7624 |
13 | 12089497 |
14 | 9912552 |
15 | 65a1431 |
hex | 45491bc |
72651196 has 12 divisors (see below), whose sum is σ = 127469160. Its totient is φ = 36231440.
The previous prime is 72651169. The next prime is 72651199. The reversal of 72651196 is 69115627.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72651199) 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, 21790 + ... + 24901.
It is an arithmetic number, because the mean of its divisors is an integer number (10622430).
Almost surely, 272651196 is an apocalyptic number.
It is an amenable number.
72651196 is a deficient number, since it is larger than the sum of its proper divisors (54817964).
72651196 is a wasteful number, since it uses less digits than its factorization.
72651196 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47084 (or 47082 counting only the distinct ones).
The product of its digits is 22680, while the sum is 37.
The square root of 72651196 is about 8523.5670936528. The cubic root of 72651196 is about 417.2672081218.
The spelling of 72651196 in words is "seventy-two million, six hundred fifty-one thousand, one hundred ninety-six".
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