Search a number
-
+
42310121 = 713744119
BaseRepresentation
bin1010000101100…
…1100111101001
32221121120120112
42201121213221
541312410441
64110504105
71022426060
oct241314751
987546515
1042310121
1121979247
1212205035
1389c5199
1458951d7
153aab4eb
hex28599e9

42310121 has 8 divisors (see below), whose sum is σ = 48708480. Its totient is φ = 36000288.

The previous prime is 42310117. The next prime is 42310123. The reversal of 42310121 is 12101324.

42310121 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 cyclic number.

It is not a de Polignac number, because 42310121 - 22 = 42310117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42310096 and 42310105.

It is not an unprimeable number, because it can be changed into a prime (42310123) 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 7 ways as a sum of consecutive naturals, for example, 21101 + ... + 23018.

It is an arithmetic number, because the mean of its divisors is an integer number (6088560).

Almost surely, 242310121 is an apocalyptic number.

It is an amenable number.

42310121 is a deficient number, since it is larger than the sum of its proper divisors (6398359).

42310121 is a wasteful number, since it uses less digits than its factorization.

42310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44263.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 42310121 is about 6504.6230482634. The cubic root of 42310121 is about 348.4561140599.

Adding to 42310121 its reverse (12101324), we get a palindrome (54411445).

The spelling of 42310121 in words is "forty-two million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 7 137 959 44119 308833 6044303 42310121