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54020530 = 2519128283
BaseRepresentation
bin1100111000010…
…0100110110010
310202122112020101
43032010212302
5102312124110
65205503014
71224111154
oct316044662
9122575211
1054020530
1128547473
1216111a6a
13b265415
147262ad4
154b2113a
hex33849b2

54020530 has 16 divisors (see below), whose sum is σ = 97749504. Its totient is φ = 21494320.

The previous prime is 54020503. The next prime is 54020539. The reversal of 54020530 is 3502045.

It is a happy number.

It is a super-2 number, since 2×540205302 = 5836435322961800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54020498 and 54020507.

It is not an unprimeable number, because it can be changed into a prime (54020539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12232 + ... + 16051.

It is an arithmetic number, because the mean of its divisors is an integer number (6109344).

Almost surely, 254020530 is an apocalyptic number.

54020530 is a deficient number, since it is larger than the sum of its proper divisors (43728974).

54020530 is a wasteful number, since it uses less digits than its factorization.

54020530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28481.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 54020530 is about 7349.8659851728. The cubic root of 54020530 is about 378.0242092312.

Adding to 54020530 its reverse (3502045), we get a palindrome (57522575).

The spelling of 54020530 in words is "fifty-four million, twenty thousand, five hundred thirty".

Divisors: 1 2 5 10 191 382 955 1910 28283 56566 141415 282830 5402053 10804106 27010265 54020530