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42504620 = 2258923879
BaseRepresentation
bin1010001000100…
…1000110101100
32221222110101012
42202021012230
541340121440
64115004352
71024166114
oct242110654
987873335
1042504620
1121aa1394
12122996b8
138a62882
145906044
153ae8e65
hex28891ac

42504620 has 24 divisors (see below), whose sum is σ = 90266400. Its totient is φ = 16810112.

The previous prime is 42504593. The next prime is 42504677. The reversal of 42504620 is 2640524.

It is a super-3 number, since 3×425046203 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10160 + ... + 13719.

It is an arithmetic number, because the mean of its divisors is an integer number (3761100).

Almost surely, 242504620 is an apocalyptic number.

It is an amenable number.

42504620 is an abundant number, since it is smaller than the sum of its proper divisors (47761780).

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

42504620 is a wasteful number, since it uses less digits than its factorization.

42504620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23977 (or 23975 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42504620 is about 6519.5567333984. The cubic root of 42504620 is about 348.9892471571.

The spelling of 42504620 in words is "forty-two million, five hundred four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 23879 47758 95516 119395 238790 477580 2125231 4250462 8500924 10626155 21252310 42504620