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52123232 = 2571937331
BaseRepresentation
bin1100011011010…
…1011001100000
310122002010122002
43012311121200
5101320420412
65101103132
71202016530
oct306653140
9118063562
1052123232
1127470a57
1215557aa8
13aa4c965
146ccb4c0
154898dc2
hex31b5660

52123232 has 96 divisors (see below), whose sum is σ = 127169280. Its totient is φ = 20528640.

The previous prime is 52123229. The next prime is 52123243. The reversal of 52123232 is 23232125.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157307 + ... + 157637.

It is an arithmetic number, because the mean of its divisors is an integer number (1324680).

Almost surely, 252123232 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 52123232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63584640).

52123232 is an abundant number, since it is smaller than the sum of its proper divisors (75046048).

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

52123232 is a wasteful number, since it uses less digits than its factorization.

52123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 396 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 52123232 is about 7219.6420963923. The cubic root of 52123232 is about 373.5457323124.

Adding to 52123232 its reverse (23232125), we get a palindrome (75355357).

The spelling of 52123232 in words is "fifty-two million, one hundred twenty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 19 28 32 37 38 56 74 76 112 133 148 152 224 259 266 296 304 331 518 532 592 608 662 703 1036 1064 1184 1324 1406 2072 2128 2317 2648 2812 4144 4256 4634 4921 5296 5624 6289 8288 9268 9842 10592 11248 12247 12578 18536 19684 22496 24494 25156 37072 39368 44023 48988 50312 74144 78736 85729 88046 97976 100624 157472 171458 176092 195952 201248 232693 342916 352184 391904 465386 685832 704368 930772 1371664 1408736 1628851 1861544 2743328 3257702 3723088 6515404 7446176 13030808 26061616 52123232