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52082240 = 265723251
BaseRepresentation
bin1100011010101…
…1011001000000
310122000001101212
43012223121000
5101313112430
65100145252
71201456160
oct306533100
9118001355
1052082240
1127443181
1215538228
13aa370c2
146cba5a0
15488bb95
hex31ab640

52082240 has 56 divisors (see below), whose sum is σ = 141744192. Its totient is φ = 17856000.

The previous prime is 52082209. The next prime is 52082267. The reversal of 52082240 is 4228025.

It is a tau number, because it is divible by the number of its divisors (56).

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, 9386 + ... + 13865.

Almost surely, 252082240 is an apocalyptic number.

It is an amenable number.

52082240 is an abundant number, since it is smaller than the sum of its proper divisors (89661952).

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

52082240 is a wasteful number, since it uses less digits than its factorization.

52082240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23275 (or 23265 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 52082240 is about 7216.8026161175. The cubic root of 52082240 is about 373.4477823712.

The spelling of 52082240 in words is "fifty-two million, eighty-two thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 23251 46502 93004 116255 162757 186008 232510 325514 372016 465020 651028 744032 813785 930040 1302056 1488064 1627570 1860080 2604112 3255140 3720160 5208224 6510280 7440320 10416448 13020560 26041120 52082240