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42284907 = 327671189
BaseRepresentation
bin1010000101001…
…1011101101011
32221120021222200
42201103131223
541311104112
64110151243
71022262420
oct241233553
987507880
1042284907
1121961305
12121b2523
1389b6872
145889d47
153aa3cdc
hex285376b

42284907 has 12 divisors (see below), whose sum is σ = 69803760. Its totient is φ = 24162768.

The previous prime is 42284903. The next prime is 42284911. The reversal of 42284907 is 70948224.

It is an interprime number because it is at equal distance from previous prime (42284903) and next prime (42284911).

It is not a de Polignac number, because 42284907 - 22 = 42284903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42284903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335532 + ... + 335657.

It is an arithmetic number, because the mean of its divisors is an integer number (5816980).

Almost surely, 242284907 is an apocalyptic number.

42284907 is a deficient number, since it is larger than the sum of its proper divisors (27518853).

42284907 is a wasteful number, since it uses less digits than its factorization.

42284907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671202 (or 671199 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 42284907 is about 6502.6845994558. The cubic root of 42284907 is about 348.3868814656.

The spelling of 42284907 in words is "forty-two million, two hundred eighty-four thousand, nine hundred seven".

Divisors: 1 3 7 9 21 63 671189 2013567 4698323 6040701 14094969 42284907