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54020252 = 22111394441
BaseRepresentation
bin1100111000010…
…0100010011100
310202122111212002
43032010202130
5102312122002
65205501432
71224110306
oct316044234
9122574762
1054020252
1128547240
1216111878
13b265260
147262976
154b21002
hex338489c

54020252 has 24 divisors (see below), whose sum is σ = 111063792. Its totient is φ = 22665600.

The previous prime is 54020221. The next prime is 54020257. The reversal of 54020252 is 25202045.

It is a super-2 number, since 2×540202522 = 5836375252287008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54020257) 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, 46649 + ... + 47792.

It is an arithmetic number, because the mean of its divisors is an integer number (4627658).

Almost surely, 254020252 is an apocalyptic number.

54020252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54020252 is an abundant number, since it is smaller than the sum of its proper divisors (57043540).

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

54020252 is a wasteful number, since it uses less digits than its factorization.

54020252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94469 (or 94467 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 54020252 is about 7349.8470732390. The cubic root of 54020252 is about 378.0235607684.

Adding to 54020252 its reverse (25202045), we get a palindrome (79222297).

The spelling of 54020252 in words is "fifty-four million, twenty thousand, two hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 94441 188882 377764 1038851 1227733 2077702 2455466 4155404 4910932 13505063 27010126 54020252