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42042014 = 2731731327
BaseRepresentation
bin1010000001100…
…0001010011110
32221002221210122
42200120022132
541230321024
64101034542
71020231320
oct240301236
987087718
1042042014
1121805873
12120b5a52
138930141
145825610
153a56d5e
hex281829e

42042014 has 32 divisors (see below), whose sum is σ = 75472896. Its totient is φ = 17184960.

The previous prime is 42041981. The next prime is 42042023. The reversal of 42042014 is 41024024.

It is a junction number, because it is equal to n+sod(n) for n = 42041983 and 42042001.

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, 31019 + ... + 32345.

It is an arithmetic number, because the mean of its divisors is an integer number (2358528).

Almost surely, 242042014 is an apocalyptic number.

42042014 is a deficient number, since it is larger than the sum of its proper divisors (33430882).

42042014 is a wasteful number, since it uses less digits than its factorization.

42042014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42042014 is about 6483.9813386530. The cubic root of 42042014 is about 347.7185320392.

Adding to 42042014 its reverse (41024024), we get a palindrome (83066038).

The spelling of 42042014 in words is "forty-two million, forty-two thousand, fourteen".

Divisors: 1 2 7 14 31 62 73 146 217 434 511 1022 1327 2263 2654 4526 9289 15841 18578 31682 41137 82274 96871 193742 287959 575918 678097 1356194 3003001 6006002 21021007 42042014