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1533707129 = 199238729
BaseRepresentation
bin101101101101010…
…1000001101111001
310221212221101122202
41123122220031321
511120112112004
6412104355545
753002203233
oct13332501571
93855841582
101533707129
11717812959
12369775bb5
131b5994716
14107999253
158e9a6b1e
hex5b6a8379

1533707129 has 6 divisors (see below), whose sum is σ = 1541492730. Its totient is φ = 1525960656.

The previous prime is 1533707111. The next prime is 1533707159. The reversal of 1533707129 is 9217073351.

It can be written as a sum of positive squares in only one way, i.e., 914941504 + 618765625 = 30248^2 + 24875^2 .

It is not a de Polignac number, because 1533707129 - 28 = 1533706873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1533707092 and 1533707101.

It is not an unprimeable number, because it can be changed into a prime (1533707159) 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 5 ways as a sum of consecutive naturals, for example, 20237 + ... + 58965.

It is an arithmetic number, because the mean of its divisors is an integer number (256915455).

Almost surely, 21533707129 is an apocalyptic number.

It is an amenable number.

1533707129 is a deficient number, since it is larger than the sum of its proper divisors (7785601).

1533707129 is an frugal number, since it uses more digits than its factorization.

1533707129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39127 (or 38928 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 1533707129 is about 39162.5730640876. The cubic root of 1533707129 is about 1153.2252571070.

The spelling of 1533707129 in words is "one billion, five hundred thirty-three million, seven hundred seven thousand, one hundred twenty-nine".

Divisors: 1 199 38729 39601 7707071 1533707129