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53260420 = 22519140159
BaseRepresentation
bin1100101100101…
…1000010000100
310201012220120011
43023023002010
5102113313140
65141320004
71214464123
oct313130204
9121186504
1053260420
1128078384
1215a06004
13b05a455
147105aba
154a20cea
hex32cb084

53260420 has 24 divisors (see below), whose sum is σ = 117734400. Its totient is φ = 20182752.

The previous prime is 53260411. The next prime is 53260453. The reversal of 53260420 is 2406235.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53260391 and 53260400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69700 + ... + 70459.

It is an arithmetic number, because the mean of its divisors is an integer number (4905600).

Almost surely, 253260420 is an apocalyptic number.

It is an amenable number.

53260420 is an abundant number, since it is smaller than the sum of its proper divisors (64473980).

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

53260420 is a wasteful number, since it uses less digits than its factorization.

53260420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140187 (or 140185 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53260420 is about 7297.9736913749. The cubic root of 53260420 is about 376.2427981388.

Adding to 53260420 its reverse (2406235), we get a palindrome (55666655).

The spelling of 53260420 in words is "fifty-three million, two hundred sixty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 140159 280318 560636 700795 1401590 2663021 2803180 5326042 10652084 13315105 26630210 53260420