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52361216 = 21137691
BaseRepresentation
bin1100011110111…
…1100000000000
310122112020002022
43013233200000
5101401024331
65110141012
71204030415
oct307574000
9118466068
1052361216
1127613836
1215651768
13ab0408b
146d5010c
1548e467b
hex31ef800

52361216 has 48 divisors (see below), whose sum is σ = 107682120. Its totient is φ = 25436160.

The previous prime is 52361209. The next prime is 52361249. The reversal of 52361216 is 61216325.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75431 + ... + 76121.

Almost surely, 252361216 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 52361216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53841060).

52361216 is an abundant number, since it is smaller than the sum of its proper divisors (55320904).

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

52361216 is an equidigital number, since it uses as much as digits as its factorization.

52361216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 730 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 52361216 is about 7236.1050296413. The cubic root of 52361216 is about 374.1133803634.

The spelling of 52361216 in words is "fifty-two million, three hundred sixty-one thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 37 64 74 128 148 256 296 512 592 691 1024 1184 1382 2048 2368 2764 4736 5528 9472 11056 18944 22112 25567 37888 44224 51134 75776 88448 102268 176896 204536 353792 409072 707584 818144 1415168 1636288 3272576 6545152 13090304 26180608 52361216