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52071100 = 22521792909
BaseRepresentation
bin1100011010100…
…0101010111100
310121222111010021
43012220222330
5101312233400
65100021524
71201411534
oct306505274
9117874107
1052071100
1127435874
12155318a4
13aa32003
146cb64c4
15488871a
hex31a8abc

52071100 has 36 divisors (see below), whose sum is σ = 113664600. Its totient is φ = 20704960.

The previous prime is 52071083. The next prime is 52071109. The reversal of 52071100 is 117025.

52071100 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 2×520711002 = 5422798910420000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52071109) 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 11 ways as a sum of consecutive naturals, for example, 16446 + ... + 19354.

It is an arithmetic number, because the mean of its divisors is an integer number (3157350).

Almost surely, 252071100 is an apocalyptic number.

52071100 is a gapful number since it is divisible by the number (50) 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 52071100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56832300).

52071100 is an abundant number, since it is smaller than the sum of its proper divisors (61593500).

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

52071100 is a wasteful number, since it uses less digits than its factorization.

52071100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 52071100 is about 7216.0307649012. The cubic root of 52071100 is about 373.4211545806.

Adding to 52071100 its reverse (117025), we get a palindrome (52188125).

The spelling of 52071100 in words is "fifty-two million, seventy-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 179 358 716 895 1790 2909 3580 4475 5818 8950 11636 14545 17900 29090 58180 72725 145450 290900 520711 1041422 2082844 2603555 5207110 10414220 13017775 26035550 52071100