Base | Representation |
---|---|
bin | 1000000001010… |
… | …00111101000000 |
3 | 11200121000011020 |
4 | 10000220331000 |
5 | 114210322413 |
6 | 10401545440 |
7 | 1444561500 |
oct | 400507500 |
9 | 150530136 |
10 | 67276608 |
11 | 34a80a03 |
12 | 1a645280 |
13 | 10c27059 |
14 | 8d13a00 |
15 | 5d8dc23 |
hex | 4028f40 |
67276608 has 84 divisors (see below), whose sum is σ = 207093312. Its totient is φ = 19219200.
The previous prime is 67276597. The next prime is 67276621. The reversal of 67276608 is 80667276.
It is a tau number, because it is divible by the number of its divisors (84).
It is a super-2 number, since 2×672766082 = 9052283967971328, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 67276608.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5833 + ... + 12983.
Almost surely, 267276608 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67276608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103546656).
67276608 is an abundant number, since it is smaller than the sum of its proper divisors (139816704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67276608 is a wasteful number, since it uses less digits than its factorization.
67276608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7180 (or 7163 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 67276608 is about 8202.2318913818. The cubic root of 67276608 is about 406.7129763023.
The spelling of 67276608 in words is "sixty-seven million, two hundred seventy-six thousand, six hundred eight".
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