Base | Representation |
---|---|
bin | 1001100111000… |
… | …01010001111000 |
3 | 12121200122022222 |
4 | 10303201101320 |
5 | 131114131040 |
6 | 11555503212 |
7 | 1666132520 |
oct | 463412170 |
9 | 177618288 |
10 | 80614520 |
11 | 41560978 |
12 | 22bb7b08 |
13 | 13916ccc |
14 | a9c6680 |
15 | 7125bb5 |
hex | 4ce1478 |
80614520 has 64 divisors (see below), whose sum is σ = 209018880. Its totient is φ = 27409536.
The previous prime is 80614483. The next prime is 80614543. The reversal of 80614520 is 2541608.
It is a self number, because there is not a number n which added to its sum of digits gives 80614520.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34427 + ... + 36693.
It is an arithmetic number, because the mean of its divisors is an integer number (3265920).
Almost surely, 280614520 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80614520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104509440).
80614520 is an abundant number, since it is smaller than the sum of its proper divisors (128404360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80614520 is a wasteful number, since it uses less digits than its factorization.
80614520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2412 (or 2408 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 80614520 is about 8978.5589044122. The cubic root of 80614520 is about 431.9874110415.
The spelling of 80614520 in words is "eighty million, six hundred fourteen thousand, five hundred twenty".
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