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52864488 = 2334233547
BaseRepresentation
bin1100100110101…
…0010111101000
310200110210110000
43021222113220
5102013130423
65125023000
71211224605
oct311522750
9120423400
1052864488
1127927966
1215854a60
13ac4c181
1470416ac
154993843
hex326a5e8

52864488 has 80 divisors (see below), whose sum is σ = 154550880. Its totient is φ = 16850592.

The previous prime is 52864481. The next prime is 52864523. The reversal of 52864488 is 88446825.

52864488 is a `hidden beast` number, since 528 + 6 + 44 + 88 = 666.

52864488 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-5 number, since 5×528644885 (a number of 40 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (52864481) 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 19 ways as a sum of consecutive naturals, for example, 13131 + ... + 16677.

It is an arithmetic number, because the mean of its divisors is an integer number (1931886).

Almost surely, 252864488 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 52864488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77275440).

52864488 is an abundant number, since it is smaller than the sum of its proper divisors (101686392).

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

52864488 is a wasteful number, since it uses less digits than its factorization.

52864488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588 (or 3575 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 52864488 is about 7270.7969301859. The cubic root of 52864488 is about 375.3081626926.

The spelling of 52864488 in words is "fifty-two million, eight hundred sixty-four thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 27 36 46 54 69 72 81 92 108 138 162 184 207 216 276 324 414 552 621 648 828 1242 1656 1863 2484 3547 3726 4968 7094 7452 10641 14188 14904 21282 28376 31923 42564 63846 81581 85128 95769 127692 163162 191538 244743 255384 287307 326324 383076 489486 574614 652648 734229 766152 978972 1149228 1468458 1957944 2202687 2298456 2936916 4405374 5873832 6608061 8810748 13216122 17621496 26432244 52864488