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42054324 = 22313269579
BaseRepresentation
bin1010000001101…
…1001010110100
32221010120200120
42200123022310
541231214244
64101211540
71020312234
oct240331264
987116616
1042054324
1121814044
1212100bb0
138935920
145829cc4
153a5a819
hex281b2b4

42054324 has 24 divisors (see below), whose sum is σ = 105675360. Its totient is φ = 12939744.

The previous prime is 42054323. The next prime is 42054329. The reversal of 42054324 is 42345024.

It is a junction number, because it is equal to n+sod(n) for n = 42054294 and 42054303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054323) 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 7 ways as a sum of consecutive naturals, for example, 134634 + ... + 134945.

It is an arithmetic number, because the mean of its divisors is an integer number (4403140).

Almost surely, 242054324 is an apocalyptic number.

It is an amenable number.

42054324 is an abundant number, since it is smaller than the sum of its proper divisors (63621036).

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

42054324 is a wasteful number, since it uses less digits than its factorization.

42054324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269599 (or 269597 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 42054324 is about 6484.9305316248. The cubic root of 42054324 is about 347.7524663271.

Adding to 42054324 its reverse (42345024), we get a palindrome (84399348).

The spelling of 42054324 in words is "forty-two million, fifty-four thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 269579 539158 808737 1078316 1617474 3234948 3504527 7009054 10513581 14018108 21027162 42054324