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42411257 = 78372997
BaseRepresentation
bin1010000111001…
…0010011111001
32221210201022022
42201302103321
541324130012
64113004225
71023326660
oct241622371
987721268
1042411257
1121a38229
1212253675
138a2c225
1458bddd7
153acb472
hex28724f9

42411257 has 8 divisors (see below), whose sum is σ = 49054656. Its totient is φ = 35914032.

The previous prime is 42411251. The next prime is 42411293. The reversal of 42411257 is 75211424.

42411257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42411257 - 28 = 42411001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42411251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35918 + ... + 37079.

It is an arithmetic number, because the mean of its divisors is an integer number (6131832).

Almost surely, 242411257 is an apocalyptic number.

It is an amenable number.

42411257 is a deficient number, since it is larger than the sum of its proper divisors (6643399).

42411257 is an equidigital number, since it uses as much as digits as its factorization.

42411257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73087.

The product of its digits is 2240, while the sum is 26.

The square root of 42411257 is about 6512.3925710909. The cubic root of 42411257 is about 348.7335371613.

The spelling of 42411257 in words is "forty-two million, four hundred eleven thousand, two hundred fifty-seven".

Divisors: 1 7 83 581 72997 510979 6058751 42411257