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42123174 = 237020529
BaseRepresentation
bin1010000010101…
…1111110100110
32221021002010120
42200223332212
541240420144
64102502410
71021020042
oct240537646
987232116
1042123174
1121860845
1212134a06
13895b072
145847022
153a70e19
hex282bfa6

42123174 has 8 divisors (see below), whose sum is σ = 84246360. Its totient is φ = 14041056.

The previous prime is 42123173. The next prime is 42123199. The reversal of 42123174 is 47132124.

It is a happy number.

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

42123174 is an admirable number.

It is a super-3 number, since 3×421231743 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42123173) 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, 3510259 + ... + 3510270.

It is an arithmetic number, because the mean of its divisors is an integer number (10530795).

Almost surely, 242123174 is an apocalyptic number.

42123174 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42123174 is a wasteful number, since it uses less digits than its factorization.

42123174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020534.

The product of its digits is 1344, while the sum is 24.

The square root of 42123174 is about 6490.2368215651. The cubic root of 42123174 is about 347.9421392771.

Adding to 42123174 its reverse (47132124), we get a palindrome (89255298).

The spelling of 42123174 in words is "forty-two million, one hundred twenty-three thousand, one hundred seventy-four".

Divisors: 1 2 3 6 7020529 14041058 21061587 42123174