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53245764 = 2232111310343
BaseRepresentation
bin1100101100011…
…1011101000100
310201012011110100
43023013131010
5102112331024
65141124100
71214403315
oct313073504
9121164410
1053245764
1128068370
12159b9630
13b053890
14710060c
154a1b7c9
hex32c7744

53245764 has 72 divisors (see below), whose sum is σ = 158139072. Its totient is φ = 14892480.

The previous prime is 53245727. The next prime is 53245781. The reversal of 53245764 is 46754235.

53245764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×532457642 = 5670222767887392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 24 + ... + 10319.

It is an arithmetic number, because the mean of its divisors is an integer number (2196376).

Almost surely, 253245764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53245764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79069536).

53245764 is an abundant number, since it is smaller than the sum of its proper divisors (104893308).

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

53245764 is a wasteful number, since it uses less digits than its factorization.

53245764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377 (or 10372 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 53245764 is about 7296.9695079533. The cubic root of 53245764 is about 376.2082839516.

Adding to 53245764 its reverse (46754235), we get a palindrome (99999999).

The spelling of 53245764 in words is "fifty-three million, two hundred forty-five thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 66 78 99 117 132 143 156 198 234 286 396 429 468 572 858 1287 1716 2574 5148 10343 20686 31029 41372 62058 93087 113773 124116 134459 186174 227546 268918 341319 372348 403377 455092 537836 682638 806754 1023957 1210131 1365276 1479049 1613508 2047914 2420262 2958098 4095828 4437147 4840524 5916196 8874294 13311441 17748588 26622882 53245764