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42148784 = 2422311813
BaseRepresentation
bin1010000011001…
…0001110110000
32221022101021002
42200302032300
541242230114
64103221132
71021154516
oct240621660
987271232
1042148784
1121879007
12121477a8
138969912
1458524b6
153a787de
hex28323b0

42148784 has 20 divisors (see below), whose sum is σ = 82036416. Its totient is φ = 20978112.

The previous prime is 42148759. The next prime is 42148787. The reversal of 42148784 is 48784124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42148787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339 + ... + 9474.

Almost surely, 242148784 is an apocalyptic number.

It is an amenable number.

42148784 is a deficient number, since it is larger than the sum of its proper divisors (39887632).

42148784 is a wasteful number, since it uses less digits than its factorization.

42148784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12044 (or 12038 counting only the distinct ones).

The product of its digits is 57344, while the sum is 38.

The square root of 42148784 is about 6492.2094852215. The cubic root of 42148784 is about 348.0126388152.

The spelling of 42148784 in words is "forty-two million, one hundred forty-eight thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 223 446 892 1784 3568 11813 23626 47252 94504 189008 2634299 5268598 10537196 21074392 42148784