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1327929538 = 21388157973
BaseRepresentation
bin100111100100110…
…1001100011000010
310102112201210212111
41033021221203002
510204422221123
6335434045534
744623133455
oct11711514302
93375653774
101327929538
11621644131
123108798aa
13182166730
14c851149c
157b8aa90d
hex4f2698c2

1327929538 has 16 divisors (see below), whose sum is σ = 2147588856. Its totient is φ = 612184320.

The previous prime is 1327929511. The next prime is 1327929553. The reversal of 1327929538 is 8359297231.

It can be written as a sum of positive squares in 4 ways, for example, as 415466689 + 912462849 = 20383^2 + 30207^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1327929491 and 1327929500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6081 + ... + 51892.

Almost surely, 21327929538 is an apocalyptic number.

1327929538 is a deficient number, since it is larger than the sum of its proper divisors (819659318).

1327929538 is a wasteful number, since it uses less digits than its factorization.

1327929538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58869.

The product of its digits is 816480, while the sum is 49.

The square root of 1327929538 is about 36440.7675275920. The cubic root of 1327929538 is about 1099.1534914334.

The spelling of 1327929538 in words is "one billion, three hundred twenty-seven million, nine hundred twenty-nine thousand, five hundred thirty-eight".

Divisors: 1 2 13 26 881 1762 11453 22906 57973 115946 753649 1507298 51074213 102148426 663964769 1327929538