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42101450 = 252899461
BaseRepresentation
bin1010000010011…
…0101011001010
32221012222022222
42200212223022
541234221300
64102214042
71020566516
oct240465312
987188288
1042101450
1121846496
1212124322
138951201
14583d146
153a69785
hex2826aca

42101450 has 24 divisors (see below), whose sum is σ = 79196940. Its totient is φ = 16649600.

The previous prime is 42101419. The next prime is 42101467. The reversal of 42101450 is 5410124.

It can be written as a sum of positive squares in 6 ways, for example, as 13830961 + 28270489 = 3719^2 + 5317^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 281 + ... + 9180.

Almost surely, 242101450 is an apocalyptic number.

42101450 is a deficient number, since it is larger than the sum of its proper divisors (37095490).

42101450 is a wasteful number, since it uses less digits than its factorization.

42101450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562 (or 9557 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42101450 is about 6488.5630150288. The cubic root of 42101450 is about 347.8823147664.

Adding to 42101450 its reverse (5410124), we get a palindrome (47511574).

The spelling of 42101450 in words is "forty-two million, one hundred one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 89 178 445 890 2225 4450 9461 18922 47305 94610 236525 473050 842029 1684058 4210145 8420290 21050725 42101450