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42179227 = 1710092459
BaseRepresentation
bin1010000011100…
…1101010011011
32221100221000121
42200321222123
541244213402
64104014111
71021342336
oct240715233
987327017
1042179227
1121899972
1212161337
13897a72c
14585d61d
153a82837
hex2839a9b

42179227 has 8 divisors (see below), whose sum is σ = 44722800. Its totient is φ = 39642624.

The previous prime is 42179219. The next prime is 42179231. The reversal of 42179227 is 72297124.

It is a happy number.

42179227 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 a cyclic number.

It is not a de Polignac number, because 42179227 - 23 = 42179219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42179192 and 42179201.

It is not an unprimeable number, because it can be changed into a prime (42179237) 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, 15924 + ... + 18382.

It is an arithmetic number, because the mean of its divisors is an integer number (5590350).

Almost surely, 242179227 is an apocalyptic number.

42179227 is a deficient number, since it is larger than the sum of its proper divisors (2543573).

42179227 is a wasteful number, since it uses less digits than its factorization.

42179227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485.

The product of its digits is 14112, while the sum is 34.

The square root of 42179227 is about 6494.5536413213. The cubic root of 42179227 is about 348.0964055581.

The spelling of 42179227 in words is "forty-two million, one hundred seventy-nine thousand, two hundred twenty-seven".

Divisors: 1 17 1009 2459 17153 41803 2481131 42179227