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1500000008 = 231314423077
BaseRepresentation
bin101100101101000…
…0010111100001000
310212112111220011212
41121122002330020
511033000000013
6404502112252
752112534603
oct13132027410
93775456155
101500000008
116aa790231
1235a41b688
131ab9c2290
1410330333a
158ba496a8
hex59682f08

1500000008 has 16 divisors (see below), whose sum is σ = 3028846380. Its totient is φ = 692307648.

The previous prime is 1500000001. The next prime is 1500000041. The reversal of 1500000008 is 8000000051.

It can be written as a sum of positive squares in 2 ways, for example, as 1204228804 + 295771204 = 34702^2 + 17198^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1499999938 and 1500000001.

It is not an unprimeable number, because it can be changed into a prime (1500000001) 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 3 ways as a sum of consecutive naturals, for example, 7211435 + ... + 7211642.

Almost surely, 21500000008 is an apocalyptic number.

It is an amenable number.

1500000008 is an abundant number, since it is smaller than the sum of its proper divisors (1528846372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1500000008 is a wasteful number, since it uses less digits than its factorization.

1500000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14423096 (or 14423092 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1500000008 is about 38729.8335653537. The cubic root of 1500000008 is about 1144.7142445884.

Adding to 1500000008 its reverse (8000000051), we get a palindrome (9500000059).

The spelling of 1500000008 in words is "one billion, five hundred million, eight", and thus it is an aban number.

Divisors: 1 2 4 8 13 26 52 104 14423077 28846154 57692308 115384616 187500001 375000002 750000004 1500000008