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42865211 = 175942737
BaseRepresentation
bin1010001110000…
…1001000111011
32222122210000102
42203201020323
541433141321
64130430015
71030230314
oct243411073
988583012
1042865211
11222182a4
121243230b
138b5aa3c
14599b60b
153b6ac0b
hex28e123b

42865211 has 8 divisors (see below), whose sum is σ = 46157040. Its totient is φ = 39659008.

The previous prime is 42865187. The next prime is 42865217. The reversal of 42865211 is 11256824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42865211 - 210 = 42864187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42865217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20366 + ... + 22371.

It is an arithmetic number, because the mean of its divisors is an integer number (5769630).

Almost surely, 242865211 is an apocalyptic number.

42865211 is a deficient number, since it is larger than the sum of its proper divisors (3291829).

42865211 is a wasteful number, since it uses less digits than its factorization.

42865211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42813.

The product of its digits is 3840, while the sum is 29.

The square root of 42865211 is about 6547.1528926702. The cubic root of 42865211 is about 349.9733612379.

The spelling of 42865211 in words is "forty-two million, eight hundred sixty-five thousand, two hundred eleven".

Divisors: 1 17 59 1003 42737 726529 2521483 42865211