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130432005 = 3351187833
BaseRepresentation
bin1111100011000…
…11110000000101
3100002102122002000
413301203300011
5231342311010
620535335513
73142440144
oct761436005
9302378060
10130432005
1167697550
1237821599
132103a302
141347375b
15b6b67c0
hex7c63c05

130432005 has 32 divisors (see below), whose sum is σ = 252961920. Its totient is φ = 63239040.

The previous prime is 130431997. The next prime is 130432009. The reversal of 130432005 is 500234031.

It is not a de Polignac number, because 130432005 - 23 = 130431997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130432009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42432 + ... + 45401.

It is an arithmetic number, because the mean of its divisors is an integer number (7905060).

Almost surely, 2130432005 is an apocalyptic number.

130432005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130432005 is a deficient number, since it is larger than the sum of its proper divisors (122529915).

130432005 is a wasteful number, since it uses less digits than its factorization.

130432005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87858 (or 87852 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130432005 is about 11420.6832107366. The cubic root of 130432005 is about 507.1402224101.

Adding to 130432005 its reverse (500234031), we get a palindrome (630666036).

The spelling of 130432005 in words is "one hundred thirty million, four hundred thirty-two thousand, five".

Divisors: 1 3 5 9 11 15 27 33 45 55 99 135 165 297 495 1485 87833 263499 439165 790497 966163 1317495 2371491 2898489 3952485 4830815 8695467 11857455 14492445 26086401 43477335 130432005