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1532421005 = 51393321997
BaseRepresentation
bin101101101010110…
…1110001110001101
310221210112001102112
41123111232032031
511114244433010
6412021033405
752655235503
oct13325561615
93853461375
101532421005
11717014645
12369255865
131b56341bb
14107742673
158e800a05
hex5b56e38d

1532421005 has 8 divisors (see below), whose sum is σ = 1839120792. Its totient is φ = 1225793088.

The previous prime is 1532421001. The next prime is 1532421019. The reversal of 1532421005 is 5001242351.

It can be written as a sum of positive squares in 4 ways, for example, as 737068201 + 795352804 = 27149^2 + 28202^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1532421005 - 22 = 1532421001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532421001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58667 + ... + 80663.

It is an arithmetic number, because the mean of its divisors is an integer number (229890099).

Almost surely, 21532421005 is an apocalyptic number.

It is an amenable number.

1532421005 is a deficient number, since it is larger than the sum of its proper divisors (306699787).

1532421005 is a wasteful number, since it uses less digits than its factorization.

1532421005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35935.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1532421005 is about 39146.1492997715. The cubic root of 1532421005 is about 1152.9028127861.

Adding to 1532421005 its reverse (5001242351), we get a palindrome (6533663356).

The spelling of 1532421005 in words is "one billion, five hundred thirty-two million, four hundred twenty-one thousand, five".

Divisors: 1 5 13933 21997 69665 109985 306484201 1532421005