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42234129 = 35723547
BaseRepresentation
bin1010000100011…
…1000100010001
32221110201100000
42201013010101
541302443004
64105120213
71021661400
oct241070421
987421300
1042234129
1121927143
1212189069
138999712
145875637
153a93c39
hex2847111

42234129 has 36 divisors (see below), whose sum is σ = 73613904. Its totient is φ = 24126984.

The previous prime is 42234113. The next prime is 42234151. The reversal of 42234129 is 92143224.

It is not a de Polignac number, because 42234129 - 24 = 42234113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42234109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10134 + ... + 13680.

Almost surely, 242234129 is an apocalyptic number.

42234129 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

42234129 is a deficient number, since it is larger than the sum of its proper divisors (31379775).

42234129 is an equidigital number, since it uses as much as digits as its factorization.

42234129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576 (or 3557 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 42234129 is about 6498.7790391734. The cubic root of 42234129 is about 348.2473716795.

The spelling of 42234129 in words is "forty-two million, two hundred thirty-four thousand, one hundred twenty-nine".

Divisors: 1 3 7 9 21 27 49 63 81 147 189 243 441 567 1323 1701 3547 3969 10641 11907 24829 31923 74487 95769 173803 223461 287307 521409 670383 861921 1564227 2011149 4692681 6033447 14078043 42234129