Base | Representation |
---|---|
bin | 11011000101100… |
… | …010001011010100 |
3 | 1011200002201100221 |
4 | 123011202023110 |
5 | 1412313414130 |
6 | 113032044124 |
7 | 14155431646 |
oct | 3305421324 |
9 | 1150081327 |
10 | 454435540 |
11 | 213576169 |
12 | 108233644 |
13 | 731c0890 |
14 | 444d4896 |
15 | 29d6787a |
hex | 1b1622d4 |
454435540 has 96 divisors (see below), whose sum is σ = 1098760320. Its totient is φ = 156473856.
The previous prime is 454435529. The next prime is 454435549. The reversal of 454435540 is 45534454.
It is a junction number, because it is equal to n+sod(n) for n = 454435496 and 454435505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (454435549) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330294 + ... + 331666.
It is an arithmetic number, because the mean of its divisors is an integer number (11445420).
Almost surely, 2454435540 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 454435540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549380160).
454435540 is an abundant number, since it is smaller than the sum of its proper divisors (644324780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
454435540 is a wasteful number, since it uses less digits than its factorization.
454435540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1481 (or 1479 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 34.
The square root of 454435540 is about 21317.4937551298. The cubic root of 454435540 is about 768.8189799516.
Adding to 454435540 its reverse (45534454), we get a palindrome (499969994).
The spelling of 454435540 in words is "four hundred fifty-four million, four hundred thirty-five thousand, five hundred forty".
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