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47992342 = 279303749
BaseRepresentation
bin1011011100010…
…0111000010110
310100022021010011
42313010320112
544241223332
64432350434
71121633236
oct267047026
9110267104
1047992342
11250aa3a2
12140a541a
139c34648
146533cc6
15432ee47
hex2dc4e16

47992342 has 8 divisors (see below), whose sum is σ = 72900000. Its totient is φ = 23692344.

The previous prime is 47992337. The next prime is 47992349. The reversal of 47992342 is 24329974.

47992342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 47992295 and 47992304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47992349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151717 + ... + 152032.

It is an arithmetic number, because the mean of its divisors is an integer number (9112500).

Almost surely, 247992342 is an apocalyptic number.

47992342 is a deficient number, since it is larger than the sum of its proper divisors (24907658).

47992342 is a wasteful number, since it uses less digits than its factorization.

47992342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303830.

The product of its digits is 108864, while the sum is 40.

The square root of 47992342 is about 6927.6505396852. The cubic root of 47992342 is about 363.4047904420.

The spelling of 47992342 in words is "forty-seven million, nine hundred ninety-two thousand, three hundred forty-two".

Divisors: 1 2 79 158 303749 607498 23996171 47992342