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130221032 = 2323707723
BaseRepresentation
bin1111100001100…
…00001111101000
3100002000220200012
413300300033220
5231314033112
620531031052
73140601104
oct760601750
9302026605
10130221032
1167562a97
123773b488
1320c95286
141341a904
15b674022
hex7c303e8

130221032 has 16 divisors (see below), whose sum is σ = 254780640. Its totient is φ = 62279536.

The previous prime is 130221001. The next prime is 130221097. The reversal of 130221032 is 230122031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 130220998 and 130221016.

It is an unprimeable number.

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, 353678 + ... + 354045.

It is an arithmetic number, because the mean of its divisors is an integer number (15923790).

Almost surely, 2130221032 is an apocalyptic number.

It is an amenable number.

130221032 is a deficient number, since it is larger than the sum of its proper divisors (124559608).

130221032 is a wasteful number, since it uses less digits than its factorization.

130221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707752 (or 707748 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 130221032 is about 11411.4430288198. The cubic root of 130221032 is about 506.8666427447.

Adding to 130221032 its reverse (230122031), we get a palindrome (360343063).

Subtracting 130221032 from its reverse (230122031), we obtain a palindrome (99900999).

The spelling of 130221032 in words is "one hundred thirty million, two hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 23 46 92 184 707723 1415446 2830892 5661784 16277629 32555258 65110516 130221032