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30204542 = 2115113121
BaseRepresentation
bin111001100111…
…0001001111110
32002211112211202
41303032021332
530213021132
62555215502
7514506614
oct163161176
962745752
1030204542
1116060135
12a147592
136347114
1440236b4
1529b9762
hex1cce27e

30204542 has 8 divisors (see below), whose sum is σ = 45349632. Its totient is φ = 15088000.

The previous prime is 30204511. The next prime is 30204557. The reversal of 30204542 is 24540203.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4259 + ... + 8862.

It is an arithmetic number, because the mean of its divisors is an integer number (5668704).

Almost surely, 230204542 is an apocalyptic number.

30204542 is a deficient number, since it is larger than the sum of its proper divisors (15145090).

30204542 is a wasteful number, since it uses less digits than its factorization.

30204542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30204542 is about 5495.8659008386. The cubic root of 30204542 is about 311.4278290049.

Adding to 30204542 its reverse (24540203), we get a palindrome (54744745).

The spelling of 30204542 in words is "thirty million, two hundred four thousand, five hundred forty-two".

Divisors: 1 2 1151 2302 13121 26242 15102271 30204542