Base | Representation |
---|---|
bin | 1101111001011… |
… | …0010000100100 |
3 | 11001200021220222 |
4 | 3132112100210 |
5 | 104410142030 |
6 | 5441143512 |
7 | 1305301232 |
oct | 336262044 |
9 | 131607828 |
10 | 58287140 |
11 | 2a9a0a9a |
12 | 1762ab98 |
13 | c0ca442 |
14 | 7a53952 |
15 | 51b53e5 |
hex | 3796424 |
58287140 has 24 divisors (see below), whose sum is σ = 123342912. Its totient is φ = 23135840.
The previous prime is 58287139. The next prime is 58287149. The reversal of 58287140 is 4178285.
It is a self number, because there is not a number n which added to its sum of digits gives 58287140.
It is not an unprimeable number, because it can be changed into a prime (58287149) 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, 8504 + ... + 13743.
It is an arithmetic number, because the mean of its divisors is an integer number (5139288).
Almost surely, 258287140 is an apocalyptic number.
It is an amenable number.
58287140 is an abundant number, since it is smaller than the sum of its proper divisors (65055772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
58287140 is a wasteful number, since it uses less digits than its factorization.
58287140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22387 (or 22385 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 35.
The square root of 58287140 is about 7634.6014958215. The cubic root of 58287140 is about 387.7253964441.
The spelling of 58287140 in words is "fifty-eight million, two hundred eighty-seven thousand, one hundred forty".
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