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42865210 = 258634967
BaseRepresentation
bin1010001110000…
…1001000111010
32222122210000101
42203201020322
541433141320
64130430014
71030230313
oct243411072
988583011
1042865210
11222182a3
121243230a
138b5aa3b
14599b60a
153b6ac0a
hex28e123a

42865210 has 16 divisors (see below), whose sum is σ = 77262336. Its totient is φ = 17122768.

The previous prime is 42865187. The next prime is 42865217. The reversal of 42865210 is 1256824.

It is a super-3 number, since 3×428652103 (a number of 24 digits) contains 333 as substring.

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

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, 6147 + ... + 11113.

It is an arithmetic number, because the mean of its divisors is an integer number (4828896).

Almost surely, 242865210 is an apocalyptic number.

42865210 is a deficient number, since it is larger than the sum of its proper divisors (34397126).

42865210 is a wasteful number, since it uses less digits than its factorization.

42865210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 42865210 is about 6547.1528163011. The cubic root of 42865210 is about 349.9733585164.

The spelling of 42865210 in words is "forty-two million, eight hundred sixty-five thousand, two hundred ten".

Divisors: 1 2 5 10 863 1726 4315 4967 8630 9934 24835 49670 4286521 8573042 21432605 42865210