Base | Representation |
---|---|
bin | 100111000011000… |
… | …010011110111110 |
3 | 1200122200221021101 |
4 | 213003002132332 |
5 | 2320201424110 |
6 | 145001123314 |
7 | 22143216643 |
oct | 4703023676 |
9 | 1618627241 |
10 | 655108030 |
11 | 3068783a5 |
12 | 16348953a |
13 | a5951cb5 |
14 | 6300ddca |
15 | 3c7a613a |
hex | 270c27be |
655108030 has 32 divisors (see below), whose sum is σ = 1243539360. Its totient is φ = 247795200.
The previous prime is 655108021. The next prime is 655108031. The reversal of 655108030 is 30801556.
It is a self number, because there is not a number n which added to its sum of digits gives 655108030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (655108031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111322 + ... + 117058.
It is an arithmetic number, because the mean of its divisors is an integer number (38860605).
Almost surely, 2655108030 is an apocalyptic number.
655108030 is a deficient number, since it is larger than the sum of its proper divisors (588431330).
655108030 is a wasteful number, since it uses less digits than its factorization.
655108030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6364.
The product of its (nonzero) digits is 3600, while the sum is 28.
The square root of 655108030 is about 25595.0782378175. The cubic root of 655108030 is about 868.5023027596.
Adding to 655108030 its reverse (30801556), we get a palindrome (685909586).
The spelling of 655108030 in words is "six hundred fifty-five million, one hundred eight thousand, thirty".
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