Base | Representation |
---|---|
bin | 11011001010100… |
… | …100011111011100 |
3 | 1011202120210100020 |
4 | 123022210133130 |
5 | 1413133140430 |
6 | 113120232140 |
7 | 14202600636 |
oct | 3312443734 |
9 | 1152523306 |
10 | 455755740 |
11 | 214298040 |
12 | 10876b650 |
13 | 7356376b |
14 | 44759a56 |
15 | 2a028b10 |
hex | 1b2a47dc |
455755740 has 96 divisors (see below), whose sum is σ = 1409909760. Its totient is φ = 109075200.
The previous prime is 455755721. The next prime is 455755747. The reversal of 455755740 is 47557554.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 455755692 and 455755701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (455755747) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47770 + ... + 56510.
It is an arithmetic number, because the mean of its divisors is an integer number (14686560).
Almost surely, 2455755740 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 455755740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704954880).
455755740 is an abundant number, since it is smaller than the sum of its proper divisors (954154020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
455755740 is a wasteful number, since it uses less digits than its factorization.
455755740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8843 (or 8841 counting only the distinct ones).
The product of its (nonzero) digits is 490000, while the sum is 42.
The square root of 455755740 is about 21348.4364767071. The cubic root of 455755740 is about 769.5627697083.
It can be divided in two parts, 45575 and 5740, that added together give a palindrome (51315).
The spelling of 455755740 in words is "four hundred fifty-five million, seven hundred fifty-five thousand, seven hundred forty".
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