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130250556 = 22323618071
BaseRepresentation
bin1111100001101…
…11011100111100
3100002002102011200
413300313130330
5231321004211
620531415500
73141053142
oct760673474
9302072150
10130250556
1167583197
1237754590
1320ca5847
1413427592
15b67cb56
hex7c3773c

130250556 has 18 divisors (see below), whose sum is σ = 329244552. Its totient is φ = 43416840.

The previous prime is 130250501. The next prime is 130250579. The reversal of 130250556 is 655052031.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 1809000 + ... + 1809071.

It is an arithmetic number, because the mean of its divisors is an integer number (18291364).

Almost surely, 2130250556 is an apocalyptic number.

It is an amenable number.

130250556 is an abundant number, since it is smaller than the sum of its proper divisors (198993996).

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

130250556 is a wasteful number, since it uses less digits than its factorization.

130250556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618081 (or 3618076 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 130250556 is about 11412.7365692896. The cubic root of 130250556 is about 506.9049458251.

The spelling of 130250556 in words is "one hundred thirty million, two hundred fifty thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 3618071 7236142 10854213 14472284 21708426 32562639 43416852 65125278 130250556