Base | Representation |
---|---|
bin | 11011000100010… |
… | …001010111001000 |
3 | 1011122110220021221 |
4 | 123010101113020 |
5 | 1412222321040 |
6 | 113021011424 |
7 | 14152552612 |
oct | 3304212710 |
9 | 1148426257 |
10 | 454104520 |
11 | 21336a4a1 |
12 | 1080b3b74 |
13 | 73105ccc |
14 | 44449db2 |
15 | 29cee74a |
hex | 1b1115c8 |
454104520 has 64 divisors (see below), whose sum is σ = 1050764400. Its totient is φ = 176517120.
The previous prime is 454104517. The next prime is 454104577. The reversal of 454104520 is 25401454.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 333939076 + 120165444 = 18274^2 + 10962^2 .
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, 670422 + ... + 671098.
Almost surely, 2454104520 is an apocalyptic number.
454104520 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 454104520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525382200).
454104520 is an abundant number, since it is smaller than the sum of its proper divisors (596659880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454104520 is a wasteful number, since it uses less digits than its factorization.
454104520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1138 (or 1134 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 25.
The square root of 454104520 is about 21309.7282948422. The cubic root of 454104520 is about 768.6322601976.
Adding to 454104520 its reverse (25401454), we get a palindrome (479505974).
It can be divided in two parts, 4541045 and 20, that multiplied together give a square (90820900 = 95302).
The spelling of 454104520 in words is "four hundred fifty-four million, one hundred four thousand, five hundred twenty".
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