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42942353 = 612692617
BaseRepresentation
bin1010001111001…
…1111110010001
32222210200211112
42203303332101
541443123403
64132223105
71031001236
oct243637621
988720745
1042942353
1122270253
121246aa95
138b86b9c
1459bb78d
153b839d8
hex28f3f91

42942353 has 8 divisors (see below), whose sum is σ = 43825320. Its totient is φ = 42065280.

The previous prime is 42942313. The next prime is 42942379. The reversal of 42942353 is 35324924.

It can be written as a sum of positive squares in 4 ways, for example, as 861184 + 42081169 = 928^2 + 6487^2 .

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 42942353 - 212 = 42938257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42942313) 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, 15101 + ... + 17717.

It is an arithmetic number, because the mean of its divisors is an integer number (5478165).

Almost surely, 242942353 is an apocalyptic number.

It is an amenable number.

42942353 is a deficient number, since it is larger than the sum of its proper divisors (882967).

42942353 is a wasteful number, since it uses less digits than its factorization.

42942353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947.

The product of its digits is 25920, while the sum is 32.

The square root of 42942353 is about 6553.0415075749. The cubic root of 42942353 is about 350.1831775840.

The spelling of 42942353 in words is "forty-two million, nine hundred forty-two thousand, three hundred fifty-three".

Divisors: 1 61 269 2617 16409 159637 703973 42942353