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42342317 = 192228543
BaseRepresentation
bin1010000110000…
…1011110101101
32221200012201222
42201201132231
541314423232
64111313125
71022621663
oct241413655
987605658
1042342317
11219a0456
121221b7a5
138a06a34
1458a2c33
153ab5d12
hex28617ad

42342317 has 4 divisors (see below), whose sum is σ = 44570880. Its totient is φ = 40113756.

The previous prime is 42342301. The next prime is 42342323. The reversal of 42342317 is 71324324.

42342317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42342317 - 24 = 42342301 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 (42342617) 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, 1114253 + ... + 1114290.

It is an arithmetic number, because the mean of its divisors is an integer number (11142720).

Almost surely, 242342317 is an apocalyptic number.

It is an amenable number.

42342317 is a deficient number, since it is larger than the sum of its proper divisors (2228563).

42342317 is a wasteful number, since it uses less digits than its factorization.

42342317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228562.

The product of its digits is 4032, while the sum is 26.

The square root of 42342317 is about 6507.0974328037. The cubic root of 42342317 is about 348.5444778548.

The spelling of 42342317 in words is "forty-two million, three hundred forty-two thousand, three hundred seventeen".

Divisors: 1 19 2228543 42342317