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42100426 = 2103204371
BaseRepresentation
bin1010000010011…
…0011011001010
32221012220221001
42200212123022
541234203201
64102205214
71020563524
oct240463312
987186831
1042100426
1121845745
121212380a
1389508c4
14583ca14
153a69301
hex28266ca

42100426 has 8 divisors (see below), whose sum is σ = 63764064. Its totient is φ = 20845740.

The previous prime is 42100423. The next prime is 42100433. The reversal of 42100426 is 62400124.

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

It is not an unprimeable number, because it can be changed into a prime (42100423) 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 3 ways as a sum of consecutive naturals, for example, 101980 + ... + 102391.

It is an arithmetic number, because the mean of its divisors is an integer number (7970508).

Almost surely, 242100426 is an apocalyptic number.

42100426 is a deficient number, since it is larger than the sum of its proper divisors (21663638).

42100426 is a wasteful number, since it uses less digits than its factorization.

42100426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204476.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 42100426 is about 6488.4841064766. The cubic root of 42100426 is about 347.8794943222.

The spelling of 42100426 in words is "forty-two million, one hundred thousand, four hundred twenty-six".

Divisors: 1 2 103 206 204371 408742 21050213 42100426