Base | Representation |
---|---|
bin | 1001100010011… |
… | …01011011001011 |
3 | 12120112212120212 |
4 | 10301031123023 |
5 | 130440241112 |
6 | 11534511335 |
7 | 1661031056 |
oct | 461153313 |
9 | 176485525 |
10 | 80008907 |
11 | 41187970 |
12 | 2296554b |
13 | 13764464 |
14 | a8a9a9d |
15 | 7056522 |
hex | 4c4d6cb |
80008907 has 8 divisors (see below), whose sum is σ = 87428352. Its totient is φ = 72613800.
The previous prime is 80008891. The next prime is 80008931. The reversal of 80008907 is 70980008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80008907 - 24 = 80008891 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80008937) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178 + ... + 12704.
It is an arithmetic number, because the mean of its divisors is an integer number (10928544).
Almost surely, 280008907 is an apocalyptic number.
80008907 is a deficient number, since it is larger than the sum of its proper divisors (7419445).
80008907 is a wasteful number, since it uses less digits than its factorization.
80008907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12169.
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 80008907 is about 8944.7698125776. The cubic root of 80008907 is about 430.9029287044.
The spelling of 80008907 in words is "eighty million, eight thousand, nine hundred seven".
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