Search a number
-
+
447112530 = 23254967917
BaseRepresentation
bin11010101001100…
…110010101010010
31011011022200002100
4122221212111102
51403430100110
6112211101230
714036252034
oct3251462522
91134280070
10447112530
1120a424297
121058a1816
1371828637
1443549c54
15293bcbc0
hex1aa66552

447112530 has 24 divisors (see below), whose sum is σ = 1162492812. Its totient is φ = 119229984.

The previous prime is 447112513. The next prime is 447112537. The reversal of 447112530 is 35211744.

It can be written as a sum of positive squares in 2 ways, for example, as 418243401 + 28869129 = 20451^2 + 5373^2 .

It is a super-2 number, since 2×4471125302 = 399819228966001800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 447112494 and 447112503.

It is not an unprimeable number, because it can be changed into a prime (447112537) 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, 2483869 + ... + 2484048.

Almost surely, 2447112530 is an apocalyptic number.

447112530 is an abundant number, since it is smaller than the sum of its proper divisors (715380282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447112530 is a wasteful number, since it uses less digits than its factorization.

447112530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967930 (or 4967927 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 447112530 is about 21145.0355875794. The cubic root of 447112530 is about 764.6668804670. Note that the first 3 decimals are identical.

The spelling of 447112530 in words is "four hundred forty-seven million, one hundred twelve thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4967917 9935834 14903751 24839585 29807502 44711253 49679170 74518755 89422506 149037510 223556265 447112530