Base | Representation |
---|---|
bin | 11011001000011… |
… | …000001010000000 |
3 | 1011201111120211220 |
4 | 123020120022000 |
5 | 1413011242203 |
6 | 113100035040 |
7 | 14164655046 |
oct | 3310301200 |
9 | 1151446756 |
10 | 455180928 |
11 | 213a35194 |
12 | 108532a80 |
13 | 733c1c37 |
14 | 4464a396 |
15 | 29e63653 |
hex | 1b218280 |
455180928 has 32 divisors (see below), whose sum is σ = 1209075360. Its totient is φ = 151726848.
The previous prime is 455180927. The next prime is 455180953. The reversal of 455180928 is 829081554.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (32).
It is a self number, because there is not a number n which added to its sum of digits gives 455180928.
It is not an unprimeable number, because it can be changed into a prime (455180927) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592300 + ... + 593067.
It is an arithmetic number, because the mean of its divisors is an integer number (37783605).
Almost surely, 2455180928 is an apocalyptic number.
455180928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
455180928 is an abundant number, since it is smaller than the sum of its proper divisors (753894432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455180928 is a wasteful number, since it uses less digits than its factorization.
455180928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1185384 (or 1185372 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 42.
The square root of 455180928 is about 21334.9696039155. The cubic root of 455180928 is about 769.2391021702.
The spelling of 455180928 in words is "four hundred fifty-five million, one hundred eighty thousand, nine hundred twenty-eight".
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