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42425205 = 353191237
BaseRepresentation
bin1010000111010…
…1101101110101
32221211102102220
42201311231311
541330101310
64113152553
71023415434
oct241655565
987742386
1042425205
1121a47759
121225b759
138a35694
1458c511b
153ad0670
hex2875b75

42425205 has 16 divisors (see below), whose sum is σ = 70070784. Its totient is φ = 21896640.

The previous prime is 42425203. The next prime is 42425249. The reversal of 42425205 is 50252424.

It is a happy number.

It is not a de Polignac number, because 42425205 - 21 = 42425203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45154 + ... + 46083.

It is an arithmetic number, because the mean of its divisors is an integer number (4379424).

Almost surely, 242425205 is an apocalyptic number.

It is an amenable number.

42425205 is a deficient number, since it is larger than the sum of its proper divisors (27645579).

42425205 is a wasteful number, since it uses less digits than its factorization.

42425205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91276.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42425205 is about 6513.4633644475. The cubic root of 42425205 is about 348.7717628793.

Adding to 42425205 its reverse (50252424), we get a palindrome (92677629).

The spelling of 42425205 in words is "forty-two million, four hundred twenty-five thousand, two hundred five".

Divisors: 1 3 5 15 31 93 155 465 91237 273711 456185 1368555 2828347 8485041 14141735 42425205