Base | Representation |
---|---|
bin | 1001100101100… |
… | …00010011110100 |
3 | 12121022110012002 |
4 | 10302300103310 |
5 | 131041221230 |
6 | 11551314432 |
7 | 1664335655 |
oct | 462602364 |
9 | 177273162 |
10 | 80413940 |
11 | 41434202 |
12 | 22b1ba18 |
13 | 13876919 |
14 | a97352c |
15 | 70d6545 |
hex | 4cb04f4 |
80413940 has 24 divisors (see below), whose sum is σ = 169585920. Its totient is φ = 32029088.
The previous prime is 80413919. The next prime is 80413943. The reversal of 80413940 is 4931408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80413943) 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, 3632 + ... + 13191.
It is an arithmetic number, because the mean of its divisors is an integer number (7066080).
Almost surely, 280413940 is an apocalyptic number.
It is an amenable number.
80413940 is an abundant number, since it is smaller than the sum of its proper divisors (89171980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80413940 is a wasteful number, since it uses less digits than its factorization.
80413940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17071 (or 17069 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 80413940 is about 8967.3820036842. The cubic root of 80413940 is about 431.6288321383.
The spelling of 80413940 in words is "eighty million, four hundred thirteen thousand, nine hundred forty".
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