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42021014 = 273001501
BaseRepresentation
bin1010000001001…
…1000010010110
32221001212222212
42200103002112
541224133024
64100353422
71020113150
oct240230226
987055885
1042021014
11217a1012
12120a5872
138923709
14581bad0
153a50a0e
hex2813096

42021014 has 8 divisors (see below), whose sum is σ = 72036048. Its totient is φ = 18009000.

The previous prime is 42020983. The next prime is 42021017. The reversal of 42021014 is 41012024.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 3001501 = 42021014 / (4 + 2 + 0 + 2 + 1 + 0 + 1 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 42021014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021017) 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, 1500737 + ... + 1500764.

It is an arithmetic number, because the mean of its divisors is an integer number (9004506).

Almost surely, 242021014 is an apocalyptic number.

42021014 is a deficient number, since it is larger than the sum of its proper divisors (30015034).

42021014 is a wasteful number, since it uses less digits than its factorization.

42021014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001510.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 42021014 is about 6482.3617609634. The cubic root of 42021014 is about 347.6606272228.

Adding to 42021014 its reverse (41012024), we get a palindrome (83033038).

The spelling of 42021014 in words is "forty-two million, twenty-one thousand, fourteen".

Divisors: 1 2 7 14 3001501 6003002 21010507 42021014