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130240890 = 232513111317
BaseRepresentation
bin1111100001101…
…01000101111010
3100002001220220200
413300311011322
5231320202030
620531303030
73141013023
oct760650572
9302056820
10130240890
11675769aa
123774aa76
1320ca1320
1413423c4a
15b679d60
hex7c3517a

130240890 has 48 divisors (see below), whose sum is σ = 364677768. Its totient is φ = 32059008.

The previous prime is 130240853. The next prime is 130240921. The reversal of 130240890 is 98042031.

It can be written as a sum of positive squares in 4 ways, for example, as 102394161 + 27846729 = 10119^2 + 5277^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54489 + ... + 56828.

Almost surely, 2130240890 is an apocalyptic number.

130240890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130240890 is an abundant number, since it is smaller than the sum of its proper divisors (234436878).

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

130240890 is a wasteful number, since it uses less digits than its factorization.

130240890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111343 (or 111340 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 130240890 is about 11412.3130871879. The cubic root of 130240890 is about 506.8924062384.

The spelling of 130240890 in words is "one hundred thirty million, two hundred forty thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 111317 222634 333951 556585 667902 1001853 1113170 1447121 1669755 2003706 2894242 3339510 4341363 5009265 7235605 8682726 10018530 13024089 14471210 21706815 26048178 43413630 65120445 130240890