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53201226 = 23131514517
BaseRepresentation
bin1100101011110…
…0100101001010
310201002220100210
43022330211022
5102104414401
65140141550
71214126421
oct312744512
9121086323
1053201226
1128037961
12159978b6
13b039520
1470cc2b8
154a0d4d6
hex32bc94a

53201226 has 32 divisors (see below), whose sum is σ = 115371648. Its totient is φ = 16257600.

The previous prime is 53201221. The next prime is 53201237. The reversal of 53201226 is 62210235.

53201226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53201221) 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 15 ways as a sum of consecutive naturals, for example, 9520 + ... + 14036.

It is an arithmetic number, because the mean of its divisors is an integer number (3605364).

Almost surely, 253201226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53201226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57685824).

53201226 is an abundant number, since it is smaller than the sum of its proper divisors (62170422).

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

53201226 is a wasteful number, since it uses less digits than its factorization.

53201226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53201226 is about 7293.9170546422. The cubic root of 53201226 is about 376.1033601840.

Subtracting 53201226 from its reverse (62210235), we obtain a palindrome (9009009).

The spelling of 53201226 in words is "fifty-three million, two hundred one thousand, two hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 78 151 302 453 906 1963 3926 4517 5889 9034 11778 13551 27102 58721 117442 176163 352326 682067 1364134 2046201 4092402 8866871 17733742 26600613 53201226