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1000305132 = 223379321977
BaseRepresentation
bin111011100111110…
…111000111101100
32120201020202200020
4323213313013230
54022034231012
6243132002140
733534311331
oct7347670754
92521222606
101000305132
11473712062
1223b000350
1312c316038
1496bca988
155cc41a8c
hex3b9f71ec

1000305132 has 24 divisors (see below), whose sum is σ = 2334766896. Its totient is φ = 333331968.

The previous prime is 1000305113. The next prime is 1000305133. The reversal of 1000305132 is 2315030001.

It is a happy number.

It is a super-2 number, since 2×10003051322 = 2001220714211074848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000305133) 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, 34528 + ... + 56504.

It is an arithmetic number, because the mean of its divisors is an integer number (97281954).

Almost surely, 21000305132 is an apocalyptic number.

1000305132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000305132 is an abundant number, since it is smaller than the sum of its proper divisors (1334461764).

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

1000305132 is a wasteful number, since it uses less digits than its factorization.

1000305132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25777 (or 25775 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1000305132 is about 31627.6007942430. The cubic root of 1000305132 is about 1000.1017003234.

Adding to 1000305132 its reverse (2315030001), we get a palindrome (3315335133).

The spelling of 1000305132 in words is "one billion, three hundred five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 3793 7586 11379 15172 21977 22758 43954 45516 65931 87908 131862 263724 83358761 166717522 250076283 333435044 500152566 1000305132