Search a number
-
+
42833121 = 347303781
BaseRepresentation
bin1010001101100…
…1010011100001
32222121010222220
42203121103201
541431124441
64130021253
71030034622
oct243312341
988533886
1042833121
11221a6181
1212417829
138b49256
14598da49
153b61466
hex28d94e1

42833121 has 8 divisors (see below), whose sum is σ = 58326144. Its totient is φ = 27947760.

The previous prime is 42833101. The next prime is 42833123. The reversal of 42833121 is 12133824.

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

It is not a de Polignac number, because 42833121 - 26 = 42833057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42833091 and 42833100.

It is not an unprimeable number, because it can be changed into a prime (42833123) 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, 151750 + ... + 152031.

It is an arithmetic number, because the mean of its divisors is an integer number (7290768).

Almost surely, 242833121 is an apocalyptic number.

It is an amenable number.

42833121 is a deficient number, since it is larger than the sum of its proper divisors (15493023).

42833121 is a wasteful number, since it uses less digits than its factorization.

42833121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303831.

The product of its digits is 1152, while the sum is 24.

The square root of 42833121 is about 6544.7017502710. The cubic root of 42833121 is about 349.8860064142.

Adding to 42833121 its reverse (12133824), we get a palindrome (54966945).

The spelling of 42833121 in words is "forty-two million, eight hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 3 47 141 303781 911343 14277707 42833121