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42010005 = 356741801
BaseRepresentation
bin1010000001000…
…0010110010101
32221001022220010
42200100112111
541223310010
64100230433
71020036102
oct240202625
987038803
1042010005
1121793814
121209b419
13891b6bb
145817aa9
153a4c620
hex2810595

42010005 has 16 divisors (see below), whose sum is σ = 68220864. Its totient is φ = 22070400.

The previous prime is 42009971. The next prime is 42010013. The reversal of 42010005 is 50001024.

It is not a de Polignac number, because 42010005 - 211 = 42007957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19896 + ... + 21905.

It is an arithmetic number, because the mean of its divisors is an integer number (4263804).

Almost surely, 242010005 is an apocalyptic number.

It is an amenable number.

42010005 is a deficient number, since it is larger than the sum of its proper divisors (26210859).

42010005 is a wasteful number, since it uses less digits than its factorization.

42010005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41876.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 42010005 is about 6481.5125549520. The cubic root of 42010005 is about 347.6302636041.

Adding to 42010005 its reverse (50001024), we get a palindrome (92011029).

The spelling of 42010005 in words is "forty-two million, ten thousand, five".

Divisors: 1 3 5 15 67 201 335 1005 41801 125403 209005 627015 2800667 8402001 14003335 42010005