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130224244 = 2232556061
BaseRepresentation
bin1111100001100…
…01000001110100
3100002001002002011
413300301001310
5231314133434
620531054004
73140613343
oct760610164
9302032064
10130224244
1167565447
1237741304
1320c96887
141341bb5a
15b674e64
hex7c31074

130224244 has 6 divisors (see below), whose sum is σ = 227892434. Its totient is φ = 65112120.

The previous prime is 130224209. The next prime is 130224257. The reversal of 130224244 is 442422031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 91011600 + 39212644 = 9540^2 + 6262^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16278027 + ... + 16278034.

Almost surely, 2130224244 is an apocalyptic number.

It is an amenable number.

130224244 is a deficient number, since it is larger than the sum of its proper divisors (97668190).

130224244 is a wasteful number, since it uses less digits than its factorization.

130224244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32556065 (or 32556063 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 130224244 is about 11411.5837638778. The cubic root of 130224244 is about 506.8708101265.

Adding to 130224244 its reverse (442422031), we get a palindrome (572646275).

The spelling of 130224244 in words is "one hundred thirty million, two hundred twenty-four thousand, two hundred forty-four".

Divisors: 1 2 4 32556061 65112122 130224244