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42700855 = 517975179
BaseRepresentation
bin1010001011100…
…1000000110111
32222100102120011
42202321000313
541412411410
64123121051
71025644201
oct242710067
988312504
1042700855
112211586a
1212373187
138b00ca2
145957771
153b3718a
hex28b9037

42700855 has 16 divisors (see below), whose sum is σ = 54825120. Its totient is φ = 31813632.

The previous prime is 42700841. The next prime is 42700871. The reversal of 42700855 is 55800724.

It is a cyclic number.

It is not a de Polignac number, because 42700855 - 27 = 42700727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656 + ... + 10834.

It is an arithmetic number, because the mean of its divisors is an integer number (3426570).

Almost surely, 242700855 is an apocalyptic number.

42700855 is a deficient number, since it is larger than the sum of its proper divisors (12124265).

42700855 is a wasteful number, since it uses less digits than its factorization.

42700855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5298.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 42700855 is about 6534.5891225080. The cubic root of 42700855 is about 349.5254930398.

The spelling of 42700855 in words is "forty-two million, seven hundred thousand, eight hundred fifty-five".

Divisors: 1 5 17 85 97 485 1649 5179 8245 25895 88043 440215 502363 2511815 8540171 42700855