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1305351132 = 223293751009
BaseRepresentation
bin100110111001110…
…0001001111011100
310100222020201010020
41031303201033130
510133132214012
6333310112140
744230205301
oct11563411734
93328221106
101305351132
1160a922698
123051ab650
1317a58c827
14c55150a8
15798eaa8c
hex4dce13dc

1305351132 has 24 divisors (see below), whose sum is σ = 3150848400. Its totient is φ = 420112896.

The previous prime is 1305351127. The next prime is 1305351149. The reversal of 1305351132 is 2311535031.

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 7 ways as a sum of consecutive naturals, for example, 1875157 + ... + 1875852.

It is an arithmetic number, because the mean of its divisors is an integer number (131285350).

Almost surely, 21305351132 is an apocalyptic number.

1305351132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305351132 is an abundant number, since it is smaller than the sum of its proper divisors (1845497268).

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

1305351132 is a wasteful number, since it uses less digits than its factorization.

1305351132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751045 (or 3751043 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1305351132 is about 36129.6433970777. The cubic root of 1305351132 is about 1092.8883170153. Note that the first 3 decimals are identical.

Adding to 1305351132 its reverse (2311535031), we get a palindrome (3616886163).

The spelling of 1305351132 in words is "one billion, three hundred five million, three hundred fifty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 3751009 7502018 11253027 15004036 22506054 45012108 108779261 217558522 326337783 435117044 652675566 1305351132