Search a number
-
+
30113132 = 2271075469
BaseRepresentation
bin111001011011…
…1110101101100
32002122220110012
41302313311230
530202110012
62553232352
7513646250
oct162676554
962586405
1030113132
1115aa8495
12a1026b8
13631462a
143ddc260
15299c622
hex1cb7d6c

30113132 has 12 divisors (see below), whose sum is σ = 60226320. Its totient is φ = 12905616.

The previous prime is 30113131. The next prime is 30113179. The reversal of 30113132 is 23131103.

Adding to 30113132 its reverse (23131103), we get a palindrome (53244235).

30113132 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (30113131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537707 + ... + 537762.

It is an arithmetic number, because the mean of its divisors is an integer number (5018860).

Almost surely, 230113132 is an apocalyptic number.

It is an amenable number.

30113132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30113132 is a wasteful number, since it uses less digits than its factorization.

30113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075480 (or 1075478 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 30113132 is about 5487.5433483481. The cubic root of 30113132 is about 311.1133466771.

The spelling of 30113132 in words is "thirty million, one hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 1075469 2150938 4301876 7528283 15056566 30113132