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1383080979 = 37371780027
BaseRepresentation
bin101001001110000…
…0010010000010011
310120101111210102110
41102130002100103
510313032042404
6345124120403
746162665030
oct12234022023
93511453373
101383080979
1164a793235
12327236103
13190706817
14d198a387
1581651b89
hex52702413

1383080979 has 16 divisors (see below), whose sum is σ = 2164514048. Its totient is φ = 768971232.

The previous prime is 1383080953. The next prime is 1383080983. The reversal of 1383080979 is 9790803831.

It is not a de Polignac number, because 1383080979 - 212 = 1383076883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383080989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889237 + ... + 890790.

It is an arithmetic number, because the mean of its divisors is an integer number (135282128).

Almost surely, 21383080979 is an apocalyptic number.

1383080979 is a deficient number, since it is larger than the sum of its proper divisors (781433069).

1383080979 is a wasteful number, since it uses less digits than its factorization.

1383080979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780074.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1383080979 is about 37189.7967055481. The cubic root of 1383080979 is about 1114.1642081255.

The spelling of 1383080979 in words is "one billion, three hundred eighty-three million, eighty thousand, nine hundred seventy-nine".

Divisors: 1 3 7 21 37 111 259 777 1780027 5340081 12460189 37380567 65860999 197582997 461026993 1383080979