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42048563 = 297114153
BaseRepresentation
bin1010000001100…
…1110000110011
32221010021210012
42200121300303
541231023223
64101125135
71020256364
oct240316063
987107705
1042048563
112180a787
12120b97ab
13893310b
145827b6b
153a58c78
hex2819c33

42048563 has 4 divisors (see below), whose sum is σ = 42065688. Its totient is φ = 42031440.

The previous prime is 42048553. The next prime is 42048569. The reversal of 42048563 is 36584024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42048563 - 26 = 42048499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42048569) 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 3 ways as a sum of consecutive naturals, for example, 4106 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (10516422).

Almost surely, 242048563 is an apocalyptic number.

42048563 is a deficient number, since it is larger than the sum of its proper divisors (17125).

42048563 is a wasteful number, since it uses less digits than its factorization.

42048563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17124.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 42048563 is about 6484.4863327792. The cubic root of 42048563 is about 347.7365861254.

The spelling of 42048563 in words is "forty-two million, forty-eight thousand, five hundred sixty-three".

Divisors: 1 2971 14153 42048563