Search a number
-
+
630326941 = 3311904311
BaseRepresentation
bin100101100100100…
…000011010011101
31121221001221000021
4211210200122131
52242330430231
6142314032141
721422455606
oct4544403235
91557057007
10630326941
112a3891a62
12157118651
13a078662a
145d9dcdad
153a50d811
hex2592069d

630326941 has 4 divisors (see below), whose sum is σ = 632231584. Its totient is φ = 628422300.

The previous prime is 630326927. The next prime is 630327007. The reversal of 630326941 is 149623036.

It is a happy number.

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 630326941 - 223 = 621938333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630326897 and 630326906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630320941) 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, 951825 + ... + 952486.

It is an arithmetic number, because the mean of its divisors is an integer number (158057896).

Almost surely, 2630326941 is an apocalyptic number.

It is an amenable number.

630326941 is a deficient number, since it is larger than the sum of its proper divisors (1904643).

630326941 is a wasteful number, since it uses less digits than its factorization.

630326941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904642.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 630326941 is about 25106.3127718907. The cubic root of 630326941 is about 857.4101557392.

Adding to 630326941 its reverse (149623036), we get a palindrome (779949977).

The spelling of 630326941 in words is "six hundred thirty million, three hundred twenty-six thousand, nine hundred forty-one".

Divisors: 1 331 1904311 630326941