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1306866764 = 22765717103
BaseRepresentation
bin100110111100101…
…0011010001001100
310101002002201011202
41031321103101030
510134024214024
6333402405032
744246120120
oct11571232114
93332081152
101306866764
11610768385
12305800778
1317a9a0658
14c57cb580
1579ae9bae
hex4de5344c

1306866764 has 24 divisors (see below), whose sum is σ = 2614499328. Its totient is φ = 559921680.

The previous prime is 1306866763. The next prime is 1306866767. The reversal of 1306866764 is 4676686031.

It is not an unprimeable number, because it can be changed into a prime (1306866763) 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, 180437 + ... + 187539.

It is an arithmetic number, because the mean of its divisors is an integer number (108937472).

Almost surely, 21306866764 is an apocalyptic number.

1306866764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1306866764 is an abundant number, since it is smaller than the sum of its proper divisors (1307632564).

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

1306866764 is a wasteful number, since it uses less digits than its factorization.

1306866764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13685 (or 13683 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 1306866764 is about 36150.6122216485. The cubic root of 1306866764 is about 1093.3111344971.

The spelling of 1306866764 in words is "one billion, three hundred six million, eight hundred sixty-six thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 28 6571 7103 13142 14206 26284 28412 45997 49721 91994 99442 183988 198884 46673813 93347626 186695252 326716691 653433382 1306866764