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54115020 = 22335100213
BaseRepresentation
bin1100111001101…
…1101011001100
310202211022212000
43032123223030
5102323140040
65211512300
71224653511
oct316335314
9122738760
1054115020
1128601463
1216158690
13b29942b
147289308
154b3e130
hex339bacc

54115020 has 48 divisors (see below), whose sum is σ = 168359520. Its totient is φ = 14430528.

The previous prime is 54115013. The next prime is 54115031. The reversal of 54115020 is 2051145.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 54114984 and 54115002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49567 + ... + 50646.

It is an arithmetic number, because the mean of its divisors is an integer number (3507490).

Almost surely, 254115020 is an apocalyptic number.

It is an amenable number.

54115020 is an abundant number, since it is smaller than the sum of its proper divisors (114244500).

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

54115020 is a wasteful number, since it uses less digits than its factorization.

54115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100231 (or 100223 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 54115020 is about 7356.2911851014. The cubic root of 54115020 is about 378.2444878394.

Adding to 54115020 its reverse (2051145), we get a palindrome (56166165).

The spelling of 54115020 in words is "fifty-four million, one hundred fifteen thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 100213 200426 300639 400852 501065 601278 901917 1002130 1202556 1503195 1803834 2004260 2705751 3006390 3607668 4509585 5411502 6012780 9019170 10823004 13528755 18038340 27057510 54115020