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30423224 = 2313292531
BaseRepresentation
bin111010000001…
…1100010111000
32010020122211002
41310003202320
530242020344
63004024132
7516410306
oct164034270
963218732
1030423224
111619a467
12a232048
1363c2810
14407d276
152a0e44e
hex1d038b8

30423224 has 16 divisors (see below), whose sum is σ = 61431720. Its totient is φ = 14041440.

The previous prime is 30423191. The next prime is 30423229. The reversal of 30423224 is 42232403.

It is a junction number, because it is equal to n+sod(n) for n = 30423196 and 30423205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146162 + ... + 146369.

Almost surely, 230423224 is an apocalyptic number.

It is an amenable number.

30423224 is an abundant number, since it is smaller than the sum of its proper divisors (31008496).

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

30423224 is a wasteful number, since it uses less digits than its factorization.

30423224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292550 (or 292546 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 30423224 is about 5515.7251563144. The cubic root of 30423224 is about 312.1776054320.

Adding to 30423224 its reverse (42232403), we get a palindrome (72655627).

The spelling of 30423224 in words is "thirty million, four hundred twenty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 292531 585062 1170124 2340248 3802903 7605806 15211612 30423224