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1303230630 = 235133341617
BaseRepresentation
bin100110110101101…
…1011100010100110
310100211020222100010
41031223123202212
510132111340010
6333152431050
744203164132
oct11553334246
93324228303
101303230630
11609704509
12304548486
13179cc95b0
14c51223c2
157962c620
hex4dadb8a6

1303230630 has 32 divisors (see below), whose sum is σ = 3368350944. Its totient is φ = 320795136.

The previous prime is 1303230619. The next prime is 1303230661. The reversal of 1303230630 is 360323031.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1303230597 and 1303230606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1670419 + ... + 1671198.

It is an arithmetic number, because the mean of its divisors is an integer number (105260967).

Almost surely, 21303230630 is an apocalyptic number.

1303230630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303230630 is an abundant number, since it is smaller than the sum of its proper divisors (2065120314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303230630 is a wasteful number, since it uses less digits than its factorization.

1303230630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341640.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1303230630 is about 36100.2857329412. The cubic root of 1303230630 is about 1092.2962086736.

Adding to 1303230630 its reverse (360323031), we get a palindrome (1663553661).

The spelling of 1303230630 in words is "one billion, three hundred three million, two hundred thirty thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 3341617 6683234 10024851 16708085 20049702 33416170 43441021 50124255 86882042 100248510 130323063 217205105 260646126 434410210 651615315 1303230630