Search a number
-
+
530115442 = 22574492297
BaseRepresentation
bin11111100110001…
…110101101110010
31100221111122200021
4133212032231302
52041202143232
6124334114054
716064623033
oct3746165562
91327448607
10530115442
1125226663a
1212964b92a
1385a9a79c
1450594a8a
1531816397
hex1f98eb72

530115442 has 16 divisors (see below), whose sum is σ = 800393400. Its totient is φ = 263323648.

The previous prime is 530115373. The next prime is 530115449. The reversal of 530115442 is 244511035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 529874361 + 241081 = 23019^2 + 491^2 .

It is not an unprimeable number, because it can be changed into a prime (530115449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229638 + ... + 231934.

Almost surely, 2530115442 is an apocalyptic number.

530115442 is a deficient number, since it is larger than the sum of its proper divisors (270277958).

530115442 is a wasteful number, since it uses less digits than its factorization.

530115442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 530115442 is about 23024.2359699513. The cubic root of 530115442 is about 809.3259860641.

Adding to 530115442 its reverse (244511035), we get a palindrome (774626477).

The spelling of 530115442 in words is "five hundred thirty million, one hundred fifteen thousand, four hundred forty-two".

Divisors: 1 2 257 449 514 898 2297 4594 115393 230786 590329 1031353 1180658 2062706 265057721 530115442