Base | Representation |
---|---|
bin | 1000101100011… |
… | …10110110110111 |
3 | 12002020120121012 |
4 | 10112032312313 |
5 | 122132440022 |
6 | 11123142435 |
7 | 1543644662 |
oct | 426166667 |
9 | 162216535 |
10 | 72936887 |
11 | 38197621 |
12 | 20514a1b |
13 | 1215952a |
14 | 99886d9 |
15 | 660ade2 |
hex | 458edb7 |
72936887 has 8 divisors (see below), whose sum is σ = 76235904. Its totient is φ = 69648568.
The previous prime is 72936881. The next prime is 72936889. The reversal of 72936887 is 78863927.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72936887 - 28 = 72936631 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 (72936881) 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, 13388 + ... + 18030.
It is an arithmetic number, because the mean of its divisors is an integer number (9529488).
Almost surely, 272936887 is an apocalyptic number.
72936887 is a deficient number, since it is larger than the sum of its proper divisors (3299017).
72936887 is a wasteful number, since it uses less digits than its factorization.
72936887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5349.
The product of its digits is 1016064, while the sum is 50.
The square root of 72936887 is about 8540.3095377158. The cubic root of 72936887 is about 417.8134416991.
The spelling of 72936887 in words is "seventy-two million, nine hundred thirty-six thousand, eight hundred eighty-seven".
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