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53148228 = 2237632717
BaseRepresentation
bin1100101010111…
…1101001000100
310201000012122220
43022233221010
5102101220403
65135052340
71213516050
oct312575104
9121005586
1053148228
1128001061
12159710b0
13b01b373
1470b6c60
1549ec953
hex32afa44

53148228 has 24 divisors (see below), whose sum is σ = 141728832. Its totient is φ = 15185184.

The previous prime is 53148223. The next prime is 53148247. The reversal of 53148228 is 82284135.

53148228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53148223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316275 + ... + 316442.

It is an arithmetic number, because the mean of its divisors is an integer number (5905368).

Almost surely, 253148228 is an apocalyptic number.

It is an amenable number.

53148228 is an abundant number, since it is smaller than the sum of its proper divisors (88580604).

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

53148228 is a wasteful number, since it uses less digits than its factorization.

53148228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632731 (or 632729 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 53148228 is about 7290.2831220742. The cubic root of 53148228 is about 375.9784298023.

The spelling of 53148228 in words is "fifty-three million, one hundred forty-eight thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 632717 1265434 1898151 2530868 3796302 4429019 7592604 8858038 13287057 17716076 26574114 53148228