Search a number
-
+
930121039 = 4122685879
BaseRepresentation
bin110111011100001…
…000010101001111
32101211012001012101
4313130020111033
53401102333124
6232143415531
732022620101
oct6734102517
92354161171
10930121039
11438035781
1221b5b45a7
1311a9117a3
148b75b571
15569cb644
hex3770854f

930121039 has 4 divisors (see below), whose sum is σ = 952806960. Its totient is φ = 907435120.

The previous prime is 930121037. The next prime is 930121043.

930121039 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 930121039 - 21 = 930121037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 930120998 and 930121016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (930121037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11342899 + ... + 11342980.

It is an arithmetic number, because the mean of its divisors is an integer number (238201740).

Almost surely, 2930121039 is an apocalyptic number.

930121039 is a deficient number, since it is larger than the sum of its proper divisors (22685921).

930121039 is a wasteful number, since it uses less digits than its factorization.

930121039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22685920.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 930121039 is about 30497.8858119706. The cubic root of 930121039 is about 976.1423521286.

The spelling of 930121039 in words is "nine hundred thirty million, one hundred twenty-one thousand, thirty-nine".

Divisors: 1 41 22685879 930121039