Base | Representation |
---|---|
bin | 11011001010100… |
… | …111111110111000 |
3 | 1011202121111221212 |
4 | 123022213332320 |
5 | 1413134120130 |
6 | 113120422252 |
7 | 14202660425 |
oct | 3312477670 |
9 | 1152544855 |
10 | 455770040 |
11 | 2142a7860 |
12 | 108777988 |
13 | 7356a11b |
14 | 44760d4c |
15 | 2a02ce95 |
hex | 1b2a7fb8 |
455770040 has 64 divisors (see below), whose sum is σ = 1137114720. Its totient is φ = 163008000.
The previous prime is 455770037. The next prime is 455770069. The reversal of 455770040 is 40077554.
It is a junction number, because it is equal to n+sod(n) for n = 455769979 and 455770006.
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, 18350 + ... + 35330.
Almost surely, 2455770040 is an apocalyptic number.
455770040 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 455770040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568557360).
455770040 is an abundant number, since it is smaller than the sum of its proper divisors (681344680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455770040 is a wasteful number, since it uses less digits than its factorization.
455770040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17064 (or 17060 counting only the distinct ones).
The product of its (nonzero) digits is 19600, while the sum is 32.
The square root of 455770040 is about 21348.7713932207. The cubic root of 455770040 is about 769.5708183416.
The spelling of 455770040 in words is "four hundred fifty-five million, seven hundred seventy thousand, forty".
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