Base | Representation |
---|---|
bin | 11010111101111… |
… | …000111010101010 |
3 | 1011112022220101100 |
4 | 122331320322222 |
5 | 1411310302110 |
6 | 112521102230 |
7 | 14132414235 |
oct | 3275707252 |
9 | 1145286340 |
10 | 452431530 |
11 | 212427561 |
12 | 107627976 |
13 | 7296b685 |
14 | 4413241c |
15 | 29abdbc0 |
hex | 1af78eaa |
452431530 has 24 divisors (see below), whose sum is σ = 1176322212. Its totient is φ = 120648384.
The previous prime is 452431493. The next prime is 452431537. The reversal of 452431530 is 35134254.
It can be written as a sum of positive squares in 2 ways, for example, as 446941881 + 5489649 = 21141^2 + 2343^2 .
It is a junction number, because it is equal to n+sod(n) for n = 452431494 and 452431503.
It is not an unprimeable number, because it can be changed into a prime (452431537) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2513419 + ... + 2513598.
Almost surely, 2452431530 is an apocalyptic number.
452431530 is an abundant number, since it is smaller than the sum of its proper divisors (723890682).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
452431530 is a wasteful number, since it uses less digits than its factorization.
452431530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5027030 (or 5027027 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 452431530 is about 21270.4379362532. The cubic root of 452431530 is about 767.6871793216.
Adding to 452431530 its reverse (35134254), we get a palindrome (487565784).
The spelling of 452431530 in words is "four hundred fifty-two million, four hundred thirty-one thousand, five hundred thirty".
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