Search a number
-
+
30232101 = 3531071777
BaseRepresentation
bin111001101010…
…0111000100101
32002212221122110
41303110320211
530214411401
62555551233
7514653144
oct163247045
962787573
1030232101
1116079909
12a15b519
136356823
14402d75b
1529c29d6
hex1cd4e25

30232101 has 16 divisors (see below), whose sum is σ = 41477184. Its totient is φ = 19578624.

The previous prime is 30232091. The next prime is 30232109. The reversal of 30232101 is 10123203.

It is a happy number.

It is not a de Polignac number, because 30232101 - 210 = 30231077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16125 + ... + 17901.

It is an arithmetic number, because the mean of its divisors is an integer number (2592324).

Almost surely, 230232101 is an apocalyptic number.

It is an amenable number.

30232101 is a deficient number, since it is larger than the sum of its proper divisors (11245083).

30232101 is a wasteful number, since it uses less digits than its factorization.

30232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30232101 is about 5498.3725774087. The cubic root of 30232101 is about 311.5225170881.

Adding to 30232101 its reverse (10123203), we get a palindrome (40355304).

The spelling of 30232101 in words is "thirty million, two hundred thirty-two thousand, one hundred one".

Divisors: 1 3 53 107 159 321 1777 5331 5671 17013 94181 190139 282543 570417 10077367 30232101