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1314304540 = 2251074391399
BaseRepresentation
bin100111001010110…
…1011001000011100
310101121002120212221
41032111223020130
510142430221130
6334230035124
744366255443
oct11625531034
93347076787
101314304540
116149884aa
123081a8aa4
1317c3a5bc3
14c67a5d5a
157a5b887a
hex4e56b21c

1314304540 has 48 divisors (see below), whose sum is σ = 2794176000. Its totient is φ = 519250752.

The previous prime is 1314304471. The next prime is 1314304543. The reversal of 1314304540 is 454034131.

It is a super-2 number, since 2×13143045402 = 3454792847729223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314304543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938761 + ... + 940159.

It is an arithmetic number, because the mean of its divisors is an integer number (58212000).

Almost surely, 21314304540 is an apocalyptic number.

1314304540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314304540 is an abundant number, since it is smaller than the sum of its proper divisors (1479871460).

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

1314304540 is a wasteful number, since it uses less digits than its factorization.

1314304540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1314304540 is about 36253.3383290422. The cubic root of 1314304540 is about 1095.3813340712.

Adding to 1314304540 its reverse (454034131), we get a palindrome (1768338671).

The spelling of 1314304540 in words is "one billion, three hundred fourteen million, three hundred four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 439 535 878 1070 1399 1756 2140 2195 2798 4390 5596 6995 8780 13990 27980 46973 93946 149693 187892 234865 299386 469730 598772 614161 748465 939460 1228322 1496930 2456644 2993860 3070805 6141610 12283220 65715227 131430454 262860908 328576135 657152270 1314304540