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42386951 = 293147149
BaseRepresentation
bin1010000110110…
…0011000000111
32221202110222002
42201230120013
541322340301
64112255515
71023166055
oct241543007
987673862
1042386951
1121a20a42
121224159b
138a21149
1458b51d5
153ac416b
hex286c607

42386951 has 8 divisors (see below), whose sum is σ = 45264000. Its totient is φ = 39604320.

The previous prime is 42386923. The next prime is 42386977. The reversal of 42386951 is 15968324.

It is a happy number.

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 42386951 - 210 = 42385927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42386551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22676 + ... + 24473.

It is an arithmetic number, because the mean of its divisors is an integer number (5658000).

Almost surely, 242386951 is an apocalyptic number.

42386951 is a deficient number, since it is larger than the sum of its proper divisors (2877049).

42386951 is a wasteful number, since it uses less digits than its factorization.

42386951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47209.

The product of its digits is 51840, while the sum is 38.

The square root of 42386951 is about 6510.5261692124. The cubic root of 42386951 is about 348.6669044028. Note that the first 3 decimals are identical.

The spelling of 42386951 in words is "forty-two million, three hundred eighty-six thousand, nine hundred fifty-one".

Divisors: 1 29 31 899 47149 1367321 1461619 42386951