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54540032 = 281911213
BaseRepresentation
bin1101000000001…
…1011100000000
310210121220212012
43100003130000
5102430240112
65224552052
71231403561
oct320033400
9123556765
1054540032
1128871808
1216322628
13b3b7a11
14735a168
154bc5022
hex3403700

54540032 has 36 divisors (see below), whose sum is σ = 114607080. Its totient is φ = 25832448.

The previous prime is 54540007. The next prime is 54540037. The reversal of 54540032 is 23004545.

It is a super-2 number, since 2×545400322 = 5949230181122048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54540037) 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, 743 + ... + 10470.

It is an arithmetic number, because the mean of its divisors is an integer number (3183530).

Almost surely, 254540032 is an apocalyptic number.

It is an amenable number.

54540032 is an abundant number, since it is smaller than the sum of its proper divisors (60067048).

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

54540032 is a wasteful number, since it uses less digits than its factorization.

54540032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11248 (or 11234 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 54540032 is about 7385.1223415730. The cubic root of 54540032 is about 379.2321336273.

Adding to 54540032 its reverse (23004545), we get a palindrome (77544577).

The spelling of 54540032 in words is "fifty-four million, five hundred forty thousand, thirty-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 256 304 608 1216 2432 4864 11213 22426 44852 89704 179408 213047 358816 426094 717632 852188 1435264 1704376 2870528 3408752 6817504 13635008 27270016 54540032