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53380128 = 253556043
BaseRepresentation
bin1100101110100…
…0010000100000
310201102222202210
43023220100200
5102131131003
65144042120
71215503124
oct313502040
9121388683
1053380128
112814a30a
1215a63340
13b09ca99
147137584
154a46503
hex32e8420

53380128 has 24 divisors (see below), whose sum is σ = 140123088. Its totient is φ = 17793344.

The previous prime is 53380121. The next prime is 53380141. The reversal of 53380128 is 82108335.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 53380095 and 53380104.

It is not an unprimeable number, because it can be changed into a prime (53380121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277926 + ... + 278117.

It is an arithmetic number, because the mean of its divisors is an integer number (5838462).

Almost surely, 253380128 is an apocalyptic number.

It is an amenable number.

53380128 is an abundant number, since it is smaller than the sum of its proper divisors (86742960).

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

53380128 is a wasteful number, since it uses less digits than its factorization.

53380128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556056 (or 556048 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 53380128 is about 7306.1705427673. The cubic root of 53380128 is about 376.5244680391.

The spelling of 53380128 in words is "fifty-three million, three hundred eighty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 556043 1112086 1668129 2224172 3336258 4448344 6672516 8896688 13345032 17793376 26690064 53380128