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52290080 = 255714603
BaseRepresentation
bin1100011101111…
…0001000100000
310122101121111122
43013132020200
5101341240310
65104431412
71203313133
oct307361040
9118347448
1052290080
1127575347
1215618568
13aaaa89b
146d3221a
1548cd555
hex31de220

52290080 has 48 divisors (see below), whose sum is σ = 125302464. Its totient is φ = 20616960.

The previous prime is 52290067. The next prime is 52290097. The reversal of 52290080 is 8009225.

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 7 ways as a sum of consecutive naturals, for example, 9059 + ... + 13661.

It is an arithmetic number, because the mean of its divisors is an integer number (2610468).

Almost surely, 252290080 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 52290080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62651232).

52290080 is an abundant number, since it is smaller than the sum of its proper divisors (73012384).

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

52290080 is a wasteful number, since it uses less digits than its factorization.

52290080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 52290080 is about 7231.1880075130. The cubic root of 52290080 is about 373.9438847434.

The spelling of 52290080 in words is "fifty-two million, two hundred ninety thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 71 80 142 160 284 355 568 710 1136 1420 2272 2840 4603 5680 9206 11360 18412 23015 36824 46030 73648 92060 147296 184120 326813 368240 653626 736480 1307252 1634065 2614504 3268130 5229008 6536260 10458016 13072520 26145040 52290080