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1380416685 = 35460319993
BaseRepresentation
bin101001001000111…
…0111110010101101
310120012111102200220
41102101313302231
510311341313220
6344551041553
746131230304
oct12221676255
93505442626
101380416685
1164923353a
123263702b9
1318ccb2c0b
14d149543b
15812c7540
hex52477cad

1380416685 has 16 divisors (see below), whose sum is σ = 2209257024. Its totient is φ = 736025472.

The previous prime is 1380416669. The next prime is 1380416689. The reversal of 1380416685 is 5866140831.

It is not a de Polignac number, because 1380416685 - 24 = 1380416669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380416689) by changing a digit.

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, 59049 + ... + 79041.

It is an arithmetic number, because the mean of its divisors is an integer number (138078564).

Almost surely, 21380416685 is an apocalyptic number.

1380416685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1380416685 is a deficient number, since it is larger than the sum of its proper divisors (828840339).

1380416685 is a wasteful number, since it uses less digits than its factorization.

1380416685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24604.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1380416685 is about 37153.9592102914. The cubic root of 1380416685 is about 1113.4483259278.

The spelling of 1380416685 in words is "one billion, three hundred eighty million, four hundred sixteen thousand, six hundred eighty-five".

Divisors: 1 3 5 15 4603 13809 19993 23015 59979 69045 99965 299895 92027779 276083337 460138895 1380416685