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42680894 = 2106919963
BaseRepresentation
bin1010001011010…
…0001000111110
32222022102011212
42202310020332
541411242034
64122444422
71025532044
oct242641076
988272155
1042680894
1122101873
1212363712
138ac4b89
145950394
153b312ce
hex28b423e

42680894 has 8 divisors (see below), whose sum is σ = 64084440. Its totient is φ = 21319416.

The previous prime is 42680887. The next prime is 42680899. The reversal of 42680894 is 49808624.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42680899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7844 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (8010555).

Almost surely, 242680894 is an apocalyptic number.

42680894 is a deficient number, since it is larger than the sum of its proper divisors (21403546).

42680894 is a wasteful number, since it uses less digits than its factorization.

42680894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21034.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 42680894 is about 6533.0616099957. The cubic root of 42680894 is about 349.4710213297.

The spelling of 42680894 in words is "forty-two million, six hundred eighty thousand, eight hundred ninety-four".

Divisors: 1 2 1069 2138 19963 39926 21340447 42680894