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1320323230 = 25439300757
BaseRepresentation
bin100111010110010…
…1000100010011110
310102000102100222101
41032230220202132
510201000320410
6335003035314
744501363602
oct11654504236
93360370871
101320323230
11618319426
1230a20bb3a
13180702565
14c74d1502
157ada6d3a
hex4eb2889e

1320323230 has 16 divisors (see below), whose sum is σ = 2382003360. Its totient is φ = 526924512.

The previous prime is 1320323219. The next prime is 1320323231. The reversal of 1320323230 is 323230231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1320323198 and 1320323207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320323231) 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, 145989 + ... + 154768.

It is an arithmetic number, because the mean of its divisors is an integer number (148875210).

Almost surely, 21320323230 is an apocalyptic number.

1320323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320323230 is a deficient number, since it is larger than the sum of its proper divisors (1061680130).

1320323230 is a wasteful number, since it uses less digits than its factorization.

1320323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301203.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1320323230 is about 36336.2522833602. The cubic root of 1320323230 is about 1097.0508412610.

Adding to 1320323230 its reverse (323230231), we get a palindrome (1643553461).

The spelling of 1320323230 in words is "one billion, three hundred twenty million, three hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 439 878 2195 4390 300757 601514 1503785 3007570 132032323 264064646 660161615 1320323230