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52089732 = 22329771481
BaseRepresentation
bin1100011010110…
…1001110000100
310122000102200100
43012231032010
5101313332412
65100244100
71201520052
oct306551604
9118012610
1052089732
1127448872
1215540630
13aa3a636
146cbd1d2
15488dedc
hex31ad384

52089732 has 36 divisors (see below), whose sum is σ = 131895036. Its totient is φ = 17333760.

The previous prime is 52089731. The next prime is 52089761. The reversal of 52089732 is 23798025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37527876 + 14561856 = 6126^2 + 3816^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52089731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34432 + ... + 35912.

It is an arithmetic number, because the mean of its divisors is an integer number (3663751).

Almost surely, 252089732 is an apocalyptic number.

It is an amenable number.

52089732 is an abundant number, since it is smaller than the sum of its proper divisors (79805304).

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

52089732 is a wasteful number, since it uses less digits than its factorization.

52089732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468 (or 2463 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 52089732 is about 7217.3216638861. The cubic root of 52089732 is about 373.4656882616.

The spelling of 52089732 in words is "fifty-two million, eighty-nine thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 977 1481 1954 2931 2962 3908 4443 5862 5924 8793 8886 11724 13329 17586 17772 26658 35172 53316 1446937 2893874 4340811 5787748 8681622 13022433 17363244 26044866 52089732