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42106351 = 76789779
BaseRepresentation
bin1010000010011…
…1110111101111
32221020020001111
42200213313233
541234400401
64102252451
71020620020
oct240476757
987206044
1042106351
112184a141
1212127127
138953501
145840c47
153a6ae51
hex2827def

42106351 has 8 divisors (see below), whose sum is σ = 48840320. Its totient is φ = 35552088.

The previous prime is 42106343. The next prime is 42106369. The reversal of 42106351 is 15360124.

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 42106351 - 23 = 42106343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42100351) 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, 44421 + ... + 45358.

It is an arithmetic number, because the mean of its divisors is an integer number (6105040).

Almost surely, 242106351 is an apocalyptic number.

42106351 is a deficient number, since it is larger than the sum of its proper divisors (6733969).

42106351 is an equidigital number, since it uses as much as digits as its factorization.

42106351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89853.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 42106351 is about 6488.9406685529. The cubic root of 42106351 is about 347.8958131540.

Adding to 42106351 its reverse (15360124), we get a palindrome (57466475).

The spelling of 42106351 in words is "forty-two million, one hundred six thousand, three hundred fifty-one".

Divisors: 1 7 67 469 89779 628453 6015193 42106351