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42273169 = 172519907
BaseRepresentation
bin1010000101000…
…0100110010001
32221112200212221
42201100212101
541310220134
64110021041
71022213251
oct241204621
987480787
1042273169
1121953504
12121a7781
1389b1413
145885961
153aa05b4
hex2850991

42273169 has 8 divisors (see below), whose sum is σ = 44942688. Its totient is φ = 39624000.

The previous prime is 42273139. The next prime is 42273193. The reversal of 42273169 is 96137224.

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 42273169 - 27 = 42273041 is a prime.

It is a super-2 number, since 2×422731692 = 3574041634605122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42273109) 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, 687 + ... + 9220.

It is an arithmetic number, because the mean of its divisors is an integer number (5617836).

Almost surely, 242273169 is an apocalyptic number.

It is an amenable number.

42273169 is a deficient number, since it is larger than the sum of its proper divisors (2669519).

42273169 is a wasteful number, since it uses less digits than its factorization.

42273169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175.

The product of its digits is 18144, while the sum is 34.

The square root of 42273169 is about 6501.7819865019. The cubic root of 42273169 is about 348.3546418797.

It can be divided in two parts, 4227 and 3169, that added together give a square (7396 = 862).

The spelling of 42273169 in words is "forty-two million, two hundred seventy-three thousand, one hundred sixty-nine".

Divisors: 1 17 251 4267 9907 168419 2486657 42273169