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1307746340 = 225837511049
BaseRepresentation
bin100110111110010…
…1010000000100100
310101010202101201122
41031330222000210
510134240340330
6333433313112
744256442355
oct11574520044
93333671648
101307746340
116112091aa
12305b65798
1317ac1ab04
14c5979d2c
1579c205e5
hex4df2a024

1307746340 has 48 divisors (see below), whose sum is σ = 2785708800. Its totient is φ = 515616000.

The previous prime is 1307746303. The next prime is 1307746367. The reversal of 1307746340 is 436477031.

It is a self number, because there is not a number n which added to its sum of digits gives 1307746340.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1246136 + ... + 1247184.

It is an arithmetic number, because the mean of its divisors is an integer number (58035600).

Almost surely, 21307746340 is an apocalyptic number.

1307746340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1307746340 is an abundant number, since it is smaller than the sum of its proper divisors (1477962460).

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

1307746340 is a wasteful number, since it uses less digits than its factorization.

1307746340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 1307746340 is about 36162.7756124997. The cubic root of 1307746340 is about 1093.5563608654.

The spelling of 1307746340 in words is "one billion, three hundred seven million, seven hundred forty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 83 166 332 415 751 830 1049 1502 1660 2098 3004 3755 4196 5245 7510 10490 15020 20980 62333 87067 124666 174134 249332 311665 348268 435335 623330 787799 870670 1246660 1575598 1741340 3151196 3938995 7877990 15755980 65387317 130774634 261549268 326936585 653873170 1307746340