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42541331 = 731196043
BaseRepresentation
bin1010001001001…
…0000100010011
32222001022201212
42202102010103
541342310311
64115450335
71024411130
oct242220423
988038655
1042541331
1122016a28
12122b69ab
138a764b1
145915587
153b04c8b
hex2892113

42541331 has 8 divisors (see below), whose sum is σ = 50187264. Its totient is φ = 35287560.

The previous prime is 42541307. The next prime is 42541337. The reversal of 42541331 is 13314524.

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

It is not a de Polignac number, because 42541331 - 26 = 42541267 is a prime.

It is a super-2 number, since 2×425413312 = 3619529686503122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42541297 and 42541306.

It is not an unprimeable number, because it can be changed into a prime (42541337) 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, 97805 + ... + 98238.

It is an arithmetic number, because the mean of its divisors is an integer number (6273408).

Almost surely, 242541331 is an apocalyptic number.

42541331 is a deficient number, since it is larger than the sum of its proper divisors (7645933).

42541331 is a wasteful number, since it uses less digits than its factorization.

42541331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196081.

The product of its digits is 1440, while the sum is 23.

The square root of 42541331 is about 6522.3715778848. The cubic root of 42541331 is about 349.0896915915.

Adding to 42541331 its reverse (13314524), we get a palindrome (55855855).

The spelling of 42541331 in words is "forty-two million, five hundred forty-one thousand, three hundred thirty-one".

Divisors: 1 7 31 217 196043 1372301 6077333 42541331