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1379600642 = 2798542903
BaseRepresentation
bin101001000111011…
…0000100100000010
310120010221222022002
41102032300210002
510311134210032
6344521344002
746121261210
oct12216604402
93503858262
101379600642
11648826422
12326038002
1318ca88654
14d1321cb0
15811b5862
hex523b0902

1379600642 has 8 divisors (see below), whose sum is σ = 2365029696. Its totient is φ = 591257412.

The previous prime is 1379600641. The next prime is 1379600669. The reversal of 1379600642 is 2460069731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1379600596 and 1379600605.

It is not an unprimeable number, because it can be changed into a prime (1379600641) 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 3 ways as a sum of consecutive naturals, for example, 49271438 + ... + 49271465.

It is an arithmetic number, because the mean of its divisors is an integer number (295628712).

Almost surely, 21379600642 is an apocalyptic number.

1379600642 is a deficient number, since it is larger than the sum of its proper divisors (985429054).

1379600642 is an equidigital number, since it uses as much as digits as its factorization.

1379600642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98542912.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1379600642 is about 37142.9756750856. The cubic root of 1379600642 is about 1113.2288750845.

The spelling of 1379600642 in words is "one billion, three hundred seventy-nine million, six hundred thousand, six hundred forty-two".

Divisors: 1 2 7 14 98542903 197085806 689800321 1379600642