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130237244 = 2297335663
BaseRepresentation
bin1111100001101…
…00001100111100
3100002001201220122
413300310030330
5231320042434
620531234112
73140666264
oct760641474
9302051818
10130237244
1167574195
1237748938
1320c9c777
14134227a4
15b678c2e
hex7c3433c

130237244 has 12 divisors (see below), whose sum is σ = 230265504. Its totient is φ = 64447104.

The previous prime is 130237243. The next prime is 130237253. The reversal of 130237244 is 442732031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130237243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167444 + ... + 168219.

It is an arithmetic number, because the mean of its divisors is an integer number (19188792).

Almost surely, 2130237244 is an apocalyptic number.

It is an amenable number.

130237244 is a deficient number, since it is larger than the sum of its proper divisors (100028260).

130237244 is a wasteful number, since it uses less digits than its factorization.

130237244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335764 (or 335762 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 130237244 is about 11412.1533463234. The cubic root of 130237244 is about 506.8876761649.

Adding to 130237244 its reverse (442732031), we get a palindrome (572969275).

The spelling of 130237244 in words is "one hundred thirty million, two hundred thirty-seven thousand, two hundred forty-four".

Divisors: 1 2 4 97 194 388 335663 671326 1342652 32559311 65118622 130237244