Base | Representation |
---|---|
bin | 1000001001111… |
… | …10001000101000 |
3 | 11202201200112201 |
4 | 10010332020220 |
5 | 120003140234 |
6 | 10442145544 |
7 | 1460330506 |
oct | 404761050 |
9 | 152650481 |
10 | 68411944 |
11 | 356869a7 |
12 | 1aab22b4 |
13 | 11233a53 |
14 | 912b676 |
15 | 6015314 |
hex | 413e228 |
68411944 has 32 divisors (see below), whose sum is σ = 139141800. Its totient is φ = 31406080.
The previous prime is 68411933. The next prime is 68411953. The reversal of 68411944 is 44911486.
It can be written as a sum of positive squares in 4 ways, for example, as 64160100 + 4251844 = 8010^2 + 2062^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559 + ... + 11710.
Almost surely, 268411944 is an apocalyptic number.
It is an amenable number.
68411944 is an abundant number, since it is smaller than the sum of its proper divisors (70729856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68411944 is a wasteful number, since it uses less digits than its factorization.
68411944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12333 (or 12329 counting only the distinct ones).
The product of its digits is 27648, while the sum is 37.
The square root of 68411944 is about 8271.1513104283. The cubic root of 68411944 is about 408.9880736116.
The spelling of 68411944 in words is "sixty-eight million, four hundred eleven thousand, nine hundred forty-four".
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