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30530342 = 245733403
BaseRepresentation
bin111010001110…
…1101100100110
32010110002202102
41310131230212
530303432332
63010212102
7520334513
oct164355446
963402672
1030530342
1116262997
12a284032
13642c4bb
1440aa30a
152a31062
hex1d1db26

30530342 has 8 divisors (see below), whose sum is σ = 45897096. Its totient is φ = 15231312.

The previous prime is 30530341. The next prime is 30530347. The reversal of 30530342 is 24303503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530341) 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, 15788 + ... + 17615.

It is an arithmetic number, because the mean of its divisors is an integer number (5737137).

Almost surely, 230530342 is an apocalyptic number.

30530342 is a deficient number, since it is larger than the sum of its proper divisors (15366754).

30530342 is a wasteful number, since it uses less digits than its factorization.

30530342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33862.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 30530342 is about 5525.4268613384. The cubic root of 30530342 is about 312.5435612874.

Adding to 30530342 its reverse (24303503), we get a palindrome (54833845).

The spelling of 30530342 in words is "thirty million, five hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 457 914 33403 66806 15265171 30530342