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52257712 = 2413277907
BaseRepresentation
bin1100011101011…
…0001110110000
310122022222002211
43013112032300
5101334221322
65104021504
71203116563
oct307261660
9118288084
1052257712
1127552aa1
1215601894
13aa98c30
146d244da
1548c3b77
hex31d63b0

52257712 has 40 divisors (see below), whose sum is σ = 109552016. Its totient is φ = 24005376.

The previous prime is 52257697. The next prime is 52257719. The reversal of 52257712 is 21775225.

52257712 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 not an unprimeable number, because it can be changed into a prime (52257719) 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, 57163 + ... + 58069.

Almost surely, 252257712 is an apocalyptic number.

52257712 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52257712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54776008).

52257712 is an abundant number, since it is smaller than the sum of its proper divisors (57294304).

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

52257712 is a wasteful number, since it uses less digits than its factorization.

52257712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205 (or 1199 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 52257712 is about 7228.9495779124. The cubic root of 52257712 is about 373.8667106791.

The spelling of 52257712 in words is "fifty-two million, two hundred fifty-seven thousand, seven hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 277 554 907 1108 1814 2216 3601 3628 4432 7202 7256 11791 14404 14512 23582 28808 47164 57616 94328 188656 251239 502478 1004956 2009912 3266107 4019824 6532214 13064428 26128856 52257712