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130549650 = 235271189127
BaseRepresentation
bin1111100100000…
…00011110010010
3100002122121110020
413302000132102
5231410042100
620542044310
73143440140
oct762003622
9302577406
10130549650
1167767980
1237879696
132107ba1a
14134a4590
15b6db5a0
hex7c80792

130549650 has 192 divisors, whose sum is σ = 411402240. Its totient is φ = 26611200.

The previous prime is 130549609. The next prime is 130549717. The reversal of 130549650 is 56945031.

It is a happy number.

It is a super-2 number, since 2×1305496502 = 34086422230245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1027887 + ... + 1028013.

It is an arithmetic number, because the mean of its divisors is an integer number (2142720).

Almost surely, 2130549650 is an apocalyptic number.

130549650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130549650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205701120).

130549650 is an abundant number, since it is smaller than the sum of its proper divisors (280852590).

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

130549650 is a wasteful number, since it uses less digits than its factorization.

130549650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 130549650 is about 11425.8325736027. The cubic root of 130549650 is about 507.2926507005.

The spelling of 130549650 in words is "one hundred thirty million, five hundred forty-nine thousand, six hundred fifty".