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42373866 = 23231991543
BaseRepresentation
bin1010000110100…
…1001011101010
32221201211000110
42201221023222
541321430431
64112115150
71023112653
oct241511352
987654013
1042373866
1121a12127
1212235ab6
138a181c2
1458b052a
153ac0346
hex28692ea

42373866 has 32 divisors (see below), whose sum is σ = 88934400. Its totient is φ = 13433904.

The previous prime is 42373861. The next prime is 42373867. The reversal of 42373866 is 66837324.

It is a super-3 number, since 3×423738663 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42373861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26691 + ... + 28233.

It is an arithmetic number, because the mean of its divisors is an integer number (2779200).

Almost surely, 242373866 is an apocalyptic number.

42373866 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42373866 is an abundant number, since it is smaller than the sum of its proper divisors (46560534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42373866 is a wasteful number, since it uses less digits than its factorization.

42373866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its digits is 145152, while the sum is 39.

The square root of 42373866 is about 6509.5211805478. The cubic root of 42373866 is about 348.6310224794.

The spelling of 42373866 in words is "forty-two million, three hundred seventy-three thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 23 46 69 138 199 398 597 1194 1543 3086 4577 4629 9154 9258 13731 27462 35489 70978 106467 212934 307057 614114 921171 1842342 7062311 14124622 21186933 42373866