Base | Representation |
---|---|
bin | 101011011000000… |
… | …0110100100111110 |
3 | 10202102200112122111 |
4 | 1112300012210332 |
5 | 10440043403210 |
6 | 400231204234 |
7 | 51032060500 |
oct | 12660064476 |
9 | 3672615574 |
10 | 1455450430 |
11 | 6876224a5 |
12 | 34751667a |
13 | 1a26c4995 |
14 | db427d70 |
15 | 87b9988a |
hex | 56c0693e |
1455450430 has 48 divisors (see below), whose sum is σ = 3052062720. Its totient is φ = 498270528.
The previous prime is 1455450413. The next prime is 1455450449. The reversal of 1455450430 is 340545541.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1455450392 and 1455450401.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404419 + ... + 408001.
It is an arithmetic number, because the mean of its divisors is an integer number (63584640).
Almost surely, 21455450430 is an apocalyptic number.
1455450430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1455450430 is an abundant number, since it is smaller than the sum of its proper divisors (1596612290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1455450430 is a wasteful number, since it uses less digits than its factorization.
1455450430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4433 (or 4426 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 31.
The square root of 1455450430 is about 38150.3660532897. The cubic root of 1455450430 is about 1133.2676010512.
Adding to 1455450430 its reverse (340545541), we get a palindrome (1795995971).
The spelling of 1455450430 in words is "one billion, four hundred fifty-five million, four hundred fifty thousand, four hundred thirty".
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