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42031124 = 2243244367
BaseRepresentation
bin1010000001010…
…1100000010100
32221002101212022
42200111200110
541224443444
64100512312
71020154502
oct240254024
987071768
1042031124
11217a8673
12120ab698
1389281b5
145821672
153a539ee
hex2815814

42031124 has 12 divisors (see below), whose sum is σ = 75265344. Its totient is φ = 20526744.

The previous prime is 42031111. The next prime is 42031127. The reversal of 42031124 is 42113024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031127) 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, 122012 + ... + 122355.

It is an arithmetic number, because the mean of its divisors is an integer number (6272112).

Almost surely, 242031124 is an apocalyptic number.

It is an amenable number.

42031124 is a deficient number, since it is larger than the sum of its proper divisors (33234220).

42031124 is a wasteful number, since it uses less digits than its factorization.

42031124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244414 (or 244412 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42031124 is about 6483.1415224411. The cubic root of 42031124 is about 347.6885066634.

Adding to 42031124 its reverse (42113024), we get a palindrome (84144148).

The spelling of 42031124 in words is "forty-two million, thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 43 86 172 244367 488734 977468 10507781 21015562 42031124