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52123710 = 23531411367
BaseRepresentation
bin1100011011010…
…1100000111110
310122002011021210
43012311200332
5101320424320
65101105250
71202021112
oct306654076
9118064253
1052123710
1127471351
1215558226
13aa4cc42
146ccb742
1548990e0
hex31b583e

52123710 has 64 divisors (see below), whose sum is σ = 132378624. Its totient is φ = 13113600.

The previous prime is 52123667. The next prime is 52123711. The reversal of 52123710 is 1732125.

It is a super-2 number, since 2×521237102 = 5433762288328200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52123711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37447 + ... + 38813.

It is an arithmetic number, because the mean of its divisors is an integer number (2068416).

Almost surely, 252123710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52123710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66189312).

52123710 is an abundant number, since it is smaller than the sum of its proper divisors (80254914).

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

52123710 is a wasteful number, since it uses less digits than its factorization.

52123710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 52123710 is about 7219.6752004505. The cubic root of 52123710 is about 373.5468741853.

Adding to 52123710 its reverse (1732125), we get a palindrome (53855835).

The spelling of 52123710 in words is "fifty-two million, one hundred twenty-three thousand, seven hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 41 62 82 93 123 155 186 205 246 310 410 465 615 930 1230 1271 1367 2542 2734 3813 4101 6355 6835 7626 8202 12710 13670 19065 20505 38130 41010 42377 56047 84754 112094 127131 168141 211885 254262 280235 336282 423770 560470 635655 840705 1271310 1681410 1737457 3474914 5212371 8687285 10424742 17374570 26061855 52123710