Base | Representation |
---|---|
bin | 1000100101110… |
… | …10100000001100 |
3 | 12000121101110021 |
4 | 10102322200030 |
5 | 121422121314 |
6 | 11052351524 |
7 | 1533363055 |
oct | 422724014 |
9 | 160541407 |
10 | 72067084 |
11 | 37753081 |
12 | 201755a4 |
13 | 11c1365b |
14 | 97dd72c |
15 | 64d8324 |
hex | 44ba80c |
72067084 has 12 divisors (see below), whose sum is σ = 128255400. Its totient is φ = 35422688.
The previous prime is 72067081. The next prime is 72067087. The reversal of 72067084 is 48076027.
It is an interprime number because it is at equal distance from previous prime (72067081) and next prime (72067087).
It is not an unprimeable number, because it can be changed into a prime (72067081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152449 + ... + 152920.
It is an arithmetic number, because the mean of its divisors is an integer number (10687950).
Almost surely, 272067084 is an apocalyptic number.
It is an amenable number.
72067084 is a deficient number, since it is larger than the sum of its proper divisors (56188316).
72067084 is a wasteful number, since it uses less digits than its factorization.
72067084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305432 (or 305430 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 72067084 is about 8489.2334165106. The cubic root of 72067084 is about 416.1459285252.
The spelling of 72067084 in words is "seventy-two million, sixty-seven thousand, eighty-four".
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