Base | Representation |
---|---|
bin | 1000000010001… |
… | …00001001100010 |
3 | 11200210122221221 |
4 | 10001010021202 |
5 | 114222404002 |
6 | 10404205254 |
7 | 1445534323 |
oct | 401041142 |
9 | 150718857 |
10 | 67388002 |
11 | 35047670 |
12 | 1a69982a |
13 | 10c65976 |
14 | 8d4244a |
15 | 5db1c37 |
hex | 4044262 |
67388002 has 16 divisors (see below), whose sum is σ = 111251232. Its totient is φ = 30358720.
The previous prime is 67387921. The next prime is 67388023. The reversal of 67388002 is 20088376.
It is a happy number.
It is a super-2 number, since 2×673880022 = 9082285627104008, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11068 + ... + 16039.
It is an arithmetic number, because the mean of its divisors is an integer number (6953202).
Almost surely, 267388002 is an apocalyptic number.
67388002 is a deficient number, since it is larger than the sum of its proper divisors (43863230).
67388002 is a wasteful number, since it uses less digits than its factorization.
67388002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27233.
The product of its (nonzero) digits is 16128, while the sum is 34.
The square root of 67388002 is about 8209.0195516883. The cubic root of 67388002 is about 406.9373257190.
The spelling of 67388002 in words is "sixty-seven million, three hundred eighty-eight thousand, two".
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