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42130001 = 414721863
BaseRepresentation
bin1010000010110…
…1101001010001
32221021102111102
42200231221101
541241130001
64102554145
71021045664
oct240555121
987242442
1042130001
1121865991
1212138955
1389611c4
1458496db
153a72e6b
hex282da51

42130001 has 8 divisors (see below), whose sum is σ = 44077824. Its totient is φ = 40226080.

The previous prime is 42129959. The next prime is 42130009. The reversal of 42130001 is 10003124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42130001 - 26 = 42129937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42130009) 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 7 ways as a sum of consecutive naturals, for example, 9005 + ... + 12858.

It is an arithmetic number, because the mean of its divisors is an integer number (5509728).

Almost surely, 242130001 is an apocalyptic number.

42130001 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42130001 is a deficient number, since it is larger than the sum of its proper divisors (1947823).

42130001 is a wasteful number, since it uses less digits than its factorization.

42130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21951.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 42130001 is about 6490.7627440849. The cubic root of 42130001 is about 347.9609355234.

Adding to 42130001 its reverse (10003124), we get a palindrome (52133125).

The spelling of 42130001 in words is "forty-two million, one hundred thirty thousand, one".

Divisors: 1 41 47 1927 21863 896383 1027561 42130001