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53122248 = 2332737809
BaseRepresentation
bin1100101010100…
…1010011001000
310200221220000200
43022221103020
5102044402443
65134332200
71213350234
oct312512310
9120856020
1053122248
1127a93593
121595a060
13b00c5aa
1470ab5c4
1549e4dd3
hex32a94c8

53122248 has 24 divisors (see below), whose sum is σ = 143872950. Its totient is φ = 17707392.

The previous prime is 53122247. The next prime is 53122259. The reversal of 53122248 is 84222135.

It can be written as a sum of positive squares in only one way, i.e., 52446564 + 675684 = 7242^2 + 822^2 .

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

It is not an unprimeable number, because it can be changed into a prime (53122247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368833 + ... + 368976.

Almost surely, 253122248 is an apocalyptic number.

It is an amenable number.

53122248 is an abundant number, since it is smaller than the sum of its proper divisors (90750702).

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

53122248 is a wasteful number, since it uses less digits than its factorization.

53122248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737821 (or 737814 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 53122248 is about 7288.5010804692. The cubic root of 53122248 is about 375.9171576960.

The spelling of 53122248 in words is "fifty-three million, one hundred twenty-two thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 737809 1475618 2213427 2951236 4426854 5902472 6640281 8853708 13280562 17707416 26561124 53122248