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53123278 = 21319532029
BaseRepresentation
bin1100101010100…
…1100011001110
310200221221102211
43022221203032
5102044421103
65134341034
71213353235
oct312514316
9120857384
1053123278
1127a9433a
121595a77a
13b00cbc0
1470abb1c
1549e536d
hex32a98ce

53123278 has 32 divisors (see below), whose sum is σ = 92080800. Its totient is φ = 22778496.

The previous prime is 53123269. The next prime is 53123281. The reversal of 53123278 is 87232135.

53123278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25168 + ... + 27196.

It is an arithmetic number, because the mean of its divisors is an integer number (2877525).

Almost surely, 253123278 is an apocalyptic number.

53123278 is a deficient number, since it is larger than the sum of its proper divisors (38957522).

53123278 is a wasteful number, since it uses less digits than its factorization.

53123278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116.

The product of its digits is 10080, while the sum is 31.

The square root of 53123278 is about 7288.5717393739. The cubic root of 53123278 is about 375.9195872629.

The spelling of 53123278 in words is "fifty-three million, one hundred twenty-three thousand, two hundred seventy-eight".

Divisors: 1 2 13 19 26 38 53 106 247 494 689 1007 1378 2014 2029 4058 13091 26182 26377 38551 52754 77102 107537 215074 501163 1002326 1397981 2043203 2795962 4086406 26561639 53123278