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42276843 = 3371961193
BaseRepresentation
bin1010000101000…
…1011111101011
32221112212221000
42201101133223
541310324333
64110050043
71022230050
oct241213753
987485830
1042276843
1121956244
12121a9923
1389b2cab
145887027
153aa1713
hex28517eb

42276843 has 64 divisors (see below), whose sum is σ = 76979200. Its totient is φ = 22394880.

The previous prime is 42276833. The next prime is 42276907. The reversal of 42276843 is 34867224.

It is not a de Polignac number, because 42276843 - 25 = 42276811 is a prime.

It is a Duffinian number.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 42276843 = 513 + 3483 = 2513 + 2983.

It is a junction number, because it is equal to n+sod(n) for n = 42276798 and 42276807.

It is not an unprimeable number, because it can be changed into a prime (42276823) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 218955 + ... + 219147.

It is an arithmetic number, because the mean of its divisors is an integer number (1202800).

Almost surely, 242276843 is an apocalyptic number.

42276843 is a deficient number, since it is larger than the sum of its proper divisors (34702357).

42276843 is a wasteful number, since it uses less digits than its factorization.

42276843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 283 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 42276843 is about 6502.0645182896. The cubic root of 42276843 is about 348.3647335282.

The spelling of 42276843 in words is "forty-two million, two hundred seventy-six thousand, eight hundred forty-three".

Divisors: 1 3 7 9 19 21 27 57 61 63 133 171 183 189 193 399 427 513 549 579 1159 1197 1281 1351 1647 1737 3477 3591 3667 3843 4053 5211 8113 10431 11001 11529 11773 12159 24339 25669 31293 33003 35319 36477 73017 77007 82411 99009 105957 219051 223687 231021 247233 317871 671061 693063 741699 1565809 2013183 2225097 4697427 6039549 14092281 42276843