Base | Representation |
---|---|
bin | 1000101001111… |
… | …01110111100000 |
3 | 12001121201112201 |
4 | 10110331313200 |
5 | 122041331102 |
6 | 11112102544 |
7 | 1541063554 |
oct | 424756740 |
9 | 161551481 |
10 | 72605152 |
11 | 37a90364 |
12 | 20394a54 |
13 | 12071539 |
14 | 98dd864 |
15 | 6592987 |
hex | 453dde0 |
72605152 has 24 divisors (see below), whose sum is σ = 143263512. Its totient is φ = 36220800.
The previous prime is 72605149. The next prime is 72605161. The reversal of 72605152 is 25150627.
It is a self number, because there is not a number n which added to its sum of digits gives 72605152.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13402 + ... + 18022.
It is an arithmetic number, because the mean of its divisors is an integer number (5969313).
Almost surely, 272605152 is an apocalyptic number.
It is an amenable number.
72605152 is a deficient number, since it is larger than the sum of its proper divisors (70658360).
72605152 is a wasteful number, since it uses less digits than its factorization.
72605152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5122 (or 5114 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 72605152 is about 8520.8656837202. The cubic root of 72605152 is about 417.1790392978.
Adding to 72605152 its reverse (25150627), we get a palindrome (97755779).
The spelling of 72605152 in words is "seventy-two million, six hundred five thousand, one hundred fifty-two".
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