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42046046 = 2717332
BaseRepresentation
bin1010000001100…
…1001001011110
32221010011022222
42200121021132
541230433141
64101105342
71020246140
oct240311136
987104288
1042046046
11218088a9
12120b8252
138931c23
145826c90
153a5814b
hex281925e

42046046 has 12 divisors (see below), whose sum is σ = 72120552. Its totient is φ = 18009336.

The previous prime is 42046007. The next prime is 42046087. The reversal of 42046046 is 64064024.

It is a Curzon number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 23396 + ... + 25128.

It is an arithmetic number, because the mean of its divisors is an integer number (6010046).

Almost surely, 242046046 is an apocalyptic number.

42046046 is a deficient number, since it is larger than the sum of its proper divisors (30074506).

42046046 is an frugal number, since it uses more digits than its factorization.

42046046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42046046 is about 6484.2922512792. The cubic root of 42046046 is about 347.7296475573.

The spelling of 42046046 in words is "forty-two million, forty-six thousand, forty-six", and thus it is an eban number.

Divisors: 1 2 7 14 1733 3466 12131 24262 3003289 6006578 21023023 42046046