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52081064 = 23717227241
BaseRepresentation
bin1100011010101…
…1000110101000
310121222222210022
43012223012220
5101313043224
65100140012
71201452560
oct306530650
9117888708
1052081064
1127442302
1215537608
13aa366c9
146cb9da0
15488b65e
hex31ab1a8

52081064 has 64 divisors (see below), whose sum is σ = 119180160. Its totient is φ = 20828160.

The previous prime is 52081063. The next prime is 52081069. The reversal of 52081064 is 46018025.

It is not an unprimeable number, because it can be changed into a prime (52081061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215984 + ... + 216224.

It is an arithmetic number, because the mean of its divisors is an integer number (1862190).

Almost surely, 252081064 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 52081064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59590080).

52081064 is an abundant number, since it is smaller than the sum of its proper divisors (67099096).

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

52081064 is a wasteful number, since it uses less digits than its factorization.

52081064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 52081064 is about 7216.7211391324. The cubic root of 52081064 is about 373.4449715737. Note that the first 3 decimals are identical.

Adding to 52081064 its reverse (46018025), we get a palindrome (98099089).

The spelling of 52081064 in words is "fifty-two million, eighty-one thousand, sixty-four".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 227 238 241 454 476 482 908 952 964 1589 1687 1816 1928 3178 3374 3859 4097 6356 6748 7718 8194 12712 13496 15436 16388 27013 28679 30872 32776 54026 54707 57358 108052 109414 114716 216104 218828 229432 382949 437656 765898 930019 1531796 1860038 3063592 3720076 6510133 7440152 13020266 26040532 52081064