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130051398 = 2373296921
BaseRepresentation
bin1111100000001…
…10110101000110
3100001201021222110
413300012311012
5231243121043
620523241450
73136263411
oct760066506
9301637873
10130051398
11674575a4
1237679286
1320c35cb9
14133b4b78
15b63db33
hex7c06d46

130051398 has 16 divisors (see below), whose sum is σ = 263666736. Its totient is φ = 42756480.

The previous prime is 130051387. The next prime is 130051433. The reversal of 130051398 is 893150031.

It is a happy number.

It is a super-2 number, since 2×1300513982 = 33826732243508808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148023 + ... + 148898.

It is an arithmetic number, because the mean of its divisors is an integer number (16479171).

Almost surely, 2130051398 is an apocalyptic number.

130051398 is an abundant number, since it is smaller than the sum of its proper divisors (133615338).

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

130051398 is a wasteful number, since it uses less digits than its factorization.

130051398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296999.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 130051398 is about 11404.0079796535. The cubic root of 130051398 is about 506.6464551225.

The spelling of 130051398 in words is "one hundred thirty million, fifty-one thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 73 146 219 438 296921 593842 890763 1781526 21675233 43350466 65025699 130051398