Search a number
-
+
30115316 = 2271197777
BaseRepresentation
bin111001011100…
…0010111110100
32002200000110002
41302320113310
530202142231
62553250432
7513655520
oct162702764
962600402
1030115316
1115aaa0a0
12a103a18
13631561a
143ddcd80
15299d0cb
hex1cb85f4

30115316 has 24 divisors (see below), whose sum is σ = 65706816. Its totient is φ = 11733120.

The previous prime is 30115301. The next prime is 30115333. The reversal of 30115316 is 61351103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48581 + ... + 49196.

It is an arithmetic number, because the mean of its divisors is an integer number (2737784).

Almost surely, 230115316 is an apocalyptic number.

It is an amenable number.

30115316 is an abundant number, since it is smaller than the sum of its proper divisors (35591500).

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

30115316 is a wasteful number, since it uses less digits than its factorization.

30115316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97799 (or 97797 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 30115316 is about 5487.7423408903. The cubic root of 30115316 is about 311.1208678157.

Adding to 30115316 its reverse (61351103), we get a palindrome (91466419).

The spelling of 30115316 in words is "thirty million, one hundred fifteen thousand, three hundred sixteen".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 97777 195554 391108 684439 1075547 1368878 2151094 2737756 4302188 7528829 15057658 30115316