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130252244 = 2241794221
BaseRepresentation
bin1111100001101…
…11110111010100
3100002002111111012
413300313313110
5231321032434
620531431352
73141061103
oct760676724
9302074435
10130252244
1167584491
1237755558
1320ca6545
141342803a
15b67d3ce
hex7c37dd4

130252244 has 12 divisors (see below), whose sum is σ = 233501268. Its totient is φ = 63537600.

The previous prime is 130252237. The next prime is 130252261. The reversal of 130252244 is 442252031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45832900 + 84419344 = 6770^2 + 9188^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396947 + ... + 397274.

It is an arithmetic number, because the mean of its divisors is an integer number (19458439).

Almost surely, 2130252244 is an apocalyptic number.

It is an amenable number.

130252244 is a deficient number, since it is larger than the sum of its proper divisors (103249024).

130252244 is a wasteful number, since it uses less digits than its factorization.

130252244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794266 (or 794264 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 130252244 is about 11412.8105215148. The cubic root of 130252244 is about 506.9071355837.

The spelling of 130252244 in words is "one hundred thirty million, two hundred fifty-two thousand, two hundred forty-four".

Divisors: 1 2 4 41 82 164 794221 1588442 3176884 32563061 65126122 130252244