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53250041 = 132487647
BaseRepresentation
bin1100101100100…
…0011111111001
310201012101022202
43023020133321
5102113000131
65141155545
71214421635
oct313103771
9121171282
1053250041
11280705a9
12159bbbb5
13b055800
147101dc5
154a1cbcb
hex32c87f9

53250041 has 12 divisors (see below), whose sum is σ = 57868992. Its totient is φ = 48977136.

The previous prime is 53250031. The next prime is 53250047. The reversal of 53250041 is 14005235.

It is a de Polignac number, because none of the positive numbers 2k-53250041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53249995 and 53250022.

It is not an unprimeable number, because it can be changed into a prime (53250047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81980 + ... + 82626.

It is an arithmetic number, because the mean of its divisors is an integer number (4822416).

Almost surely, 253250041 is an apocalyptic number.

It is an amenable number.

53250041 is a deficient number, since it is larger than the sum of its proper divisors (4618951).

53250041 is a wasteful number, since it uses less digits than its factorization.

53250041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 53250041 is about 7297.2625689364. The cubic root of 53250041 is about 376.2183567388.

Adding to 53250041 its reverse (14005235), we get a palindrome (67255276).

The spelling of 53250041 in words is "fifty-three million, two hundred fifty thousand, forty-one".

Divisors: 1 13 169 487 647 6331 8411 82303 109343 315089 4096157 53250041