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42063393 = 317381047
BaseRepresentation
bin1010000001110…
…1011000100001
32221011001010110
42200131120201
541232012033
64101321533
71020350541
oct240353041
987131113
1042063393
112181a939
12121062a9
138939aa8
14582d321
153a5d363
hex281d621

42063393 has 8 divisors (see below), whose sum is σ = 56409408. Its totient is φ = 27879824.

The previous prime is 42063391. The next prime is 42063421. The reversal of 42063393 is 39336024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42063393 - 21 = 42063391 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42063393.

It is not an unprimeable number, because it can be changed into a prime (42063391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40005 + ... + 41042.

It is an arithmetic number, because the mean of its divisors is an integer number (7051176).

Almost surely, 242063393 is an apocalyptic number.

It is an amenable number.

42063393 is a deficient number, since it is larger than the sum of its proper divisors (14346015).

42063393 is a wasteful number, since it uses less digits than its factorization.

42063393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81223.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 42063393 is about 6485.6297304117. The cubic root of 42063393 is about 347.7774620956. Note that the first 3 decimals are identical.

The spelling of 42063393 in words is "forty-two million, sixty-three thousand, three hundred ninety-three".

Divisors: 1 3 173 519 81047 243141 14021131 42063393