Base | Representation |
---|---|
bin | 11011000000110… |
… | …111110111110000 |
3 | 1011120210122021212 |
4 | 123000313313300 |
5 | 1412010314210 |
6 | 112545535252 |
7 | 14142152453 |
oct | 3300676760 |
9 | 1146718255 |
10 | 453213680 |
11 | 212911167 |
12 | 107944528 |
13 | 72b8369a |
14 | 4429749a |
15 | 29bc5805 |
hex | 1b037df0 |
453213680 has 40 divisors (see below), whose sum is σ = 1059642000. Its totient is φ = 180267008.
The previous prime is 453213667. The next prime is 453213731. The reversal of 453213680 is 86312354.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1505 + ... + 30144.
It is an arithmetic number, because the mean of its divisors is an integer number (26491050).
Almost surely, 2453213680 is an apocalyptic number.
453213680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 453213680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529821000).
453213680 is an abundant number, since it is smaller than the sum of its proper divisors (606428320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
453213680 is a wasteful number, since it uses less digits than its factorization.
453213680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31841 (or 31835 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 453213680 is about 21288.8158430665. The cubic root of 453213680 is about 768.1293094623.
The spelling of 453213680 in words is "four hundred fifty-three million, two hundred thirteen thousand, six hundred eighty".
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