Base | Representation |
---|---|
bin | 1000001101001… |
… | …10000011110000 |
3 | 11210112022110100 |
4 | 10012212003300 |
5 | 120110300431 |
6 | 10455232400 |
7 | 1464052521 |
oct | 406460360 |
9 | 153468410 |
10 | 68837616 |
11 | 359477a1 |
12 | 1b078700 |
13 | 11352723 |
14 | 91dc848 |
15 | 609b4e6 |
hex | 41a60f0 |
68837616 has 30 divisors (see below), whose sum is σ = 192650120. Its totient is φ = 22945824.
The previous prime is 68837611. The next prime is 68837623. The reversal of 68837616 is 61673886.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68837611) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 238876 + ... + 239163.
Almost surely, 268837616 is an apocalyptic number.
It is an amenable number.
68837616 is an abundant number, since it is smaller than the sum of its proper divisors (123812504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68837616 is a wasteful number, since it uses less digits than its factorization.
68837616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 478053 (or 478044 counting only the distinct ones).
The product of its digits is 290304, while the sum is 45.
The square root of 68837616 is about 8296.8437372292. The cubic root of 68837616 is about 409.8345872497.
The spelling of 68837616 in words is "sixty-eight million, eight hundred thirty-seven thousand, six hundred sixteen".
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