Base | Representation |
---|---|
bin | 1001100011011… |
… | …10110011110110 |
3 | 12120210211011120 |
4 | 10301232303312 |
5 | 131004130104 |
6 | 11541444410 |
7 | 1662140541 |
oct | 461566366 |
9 | 176724146 |
10 | 80145654 |
11 | 41270686 |
12 | 22a10706 |
13 | 137b1784 |
14 | a903858 |
15 | 7081cd9 |
hex | 4c6ecf6 |
80145654 has 8 divisors (see below), whose sum is σ = 160291320. Its totient is φ = 26715216.
The previous prime is 80145641. The next prime is 80145691. The reversal of 80145654 is 45654108.
It is a sphenic number, since it is the product of 3 distinct primes.
80145654 is an admirable number.
It is a super-3 number, since 3×801456543 (a number of 25 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6678799 + ... + 6678810.
It is an arithmetic number, because the mean of its divisors is an integer number (20036415).
Almost surely, 280145654 is an apocalyptic number.
80145654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80145654 is a wasteful number, since it uses less digits than its factorization.
80145654 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13357614.
The product of its (nonzero) digits is 19200, while the sum is 33.
The square root of 80145654 is about 8952.4105133757. The cubic root of 80145654 is about 431.1482811555.
The spelling of 80145654 in words is "eighty million, one hundred forty-five thousand, six hundred fifty-four".
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