Search a number
-
+
30996318 = 2323224611
BaseRepresentation
bin111011000111…
…1011101011110
32011022202221210
41312033131132
530413340233
63024205250
7524315163
oct166173536
964282853
1030996318
1116550aa1
12a469826
136563622
14418c06a
152ac4163
hex1d8f75e

30996318 has 16 divisors (see below), whose sum is σ = 64688256. Its totient is φ = 9882840.

The previous prime is 30996313. The next prime is 30996323. The reversal of 30996318 is 81369903.

It is an interprime number because it is at equal distance from previous prime (30996313) and next prime (30996323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30996313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112168 + ... + 112443.

It is an arithmetic number, because the mean of its divisors is an integer number (4043016).

Almost surely, 230996318 is an apocalyptic number.

30996318 is an abundant number, since it is smaller than the sum of its proper divisors (33691938).

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

30996318 is a wasteful number, since it uses less digits than its factorization.

30996318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224639.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 30996318 is about 5567.4336996501. The cubic root of 30996318 is about 314.1256275816.

The spelling of 30996318 in words is "thirty million, nine hundred ninety-six thousand, three hundred eighteen".

Divisors: 1 2 3 6 23 46 69 138 224611 449222 673833 1347666 5166053 10332106 15498159 30996318