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42783590 = 2510939251
BaseRepresentation
bin1010001100110…
…1001101100110
32222111122001102
42203031031212
541423033330
64125000102
71026440333
oct243151546
988448042
1042783590
1122171a43
12123b3032
138b2c845
14597998a
153b51945
hex28cd366

42783590 has 16 divisors (see below), whose sum is σ = 77718960. Its totient is φ = 16956000.

The previous prime is 42783589. The next prime is 42783619. The reversal of 42783590 is 9538724.

42783590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18536 + ... + 20715.

It is an arithmetic number, because the mean of its divisors is an integer number (4857435).

Almost surely, 242783590 is an apocalyptic number.

42783590 is a deficient number, since it is larger than the sum of its proper divisors (34935370).

42783590 is a wasteful number, since it uses less digits than its factorization.

42783590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39367.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 42783590 is about 6540.9166024342. The cubic root of 42783590 is about 349.7510883280.

The spelling of 42783590 in words is "forty-two million, seven hundred eighty-three thousand, five hundred ninety".

Divisors: 1 2 5 10 109 218 545 1090 39251 78502 196255 392510 4278359 8556718 21391795 42783590