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42341031 = 3247199503
BaseRepresentation
bin1010000110000…
…1001010100111
32221200010222100
42201201022213
541314403111
64111303143
71022615145
oct241411247
987603870
1042341031
112199a497
121221aab3
138a06285
1458a2595
153ab5756
hex28612a7

42341031 has 24 divisors (see below), whose sum is σ = 62899200. Its totient is φ = 27433296.

The previous prime is 42341027. The next prime is 42341041. The reversal of 42341031 is 13014324.

It is not a de Polignac number, because 42341031 - 22 = 42341027 is a prime.

It is a super-2 number, since 2×423410312 = 3585525812285922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42340995 and 42341013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42341021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83926 + ... + 84428.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 242341031 is an apocalyptic number.

42341031 is a deficient number, since it is larger than the sum of its proper divisors (20558169).

42341031 is a wasteful number, since it uses less digits than its factorization.

42341031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42341031 is about 6506.9986168740. The cubic root of 42341031 is about 348.5409492120.

Adding to 42341031 its sum of digits (18), we get a square (42341049 = 65072).

Adding to 42341031 its reverse (13014324), we get a palindrome (55355355).

The spelling of 42341031 in words is "forty-two million, three hundred forty-one thousand, thirty-one".

Divisors: 1 3 9 47 141 199 423 503 597 1509 1791 4527 9353 23641 28059 70923 84177 100097 212769 300291 900873 4704559 14113677 42341031