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115029190 = 25411571787
BaseRepresentation
bin1101101101100…
…11010011000110
322000110002101101
412312303103012
5213421413230
615225250314
72564506033
oct666632306
9260402341
10115029190
1159a27151
123263399a
131aaa6513
14113c438a
15a172aca
hex6db34c6

115029190 has 32 divisors (see below), whose sum is σ = 213573024. Its totient is φ = 44578560.

The previous prime is 115029169. The next prime is 115029199. The reversal of 115029190 is 91920511.

It is a super-2 number, since 2×1150291902 = 26463429104112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115029199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63477 + ... + 65263.

It is an arithmetic number, because the mean of its divisors is an integer number (6674157).

Almost surely, 2115029190 is an apocalyptic number.

115029190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115029190 is a deficient number, since it is larger than the sum of its proper divisors (98543834).

115029190 is a wasteful number, since it uses less digits than its factorization.

115029190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 115029190 is about 10725.1661991785. The cubic root of 115029190 is about 486.3355543647.

The spelling of 115029190 in words is "one hundred fifteen million, twenty-nine thousand, one hundred ninety".

Divisors: 1 2 5 10 41 82 157 205 314 410 785 1570 1787 3574 6437 8935 12874 17870 32185 64370 73267 146534 280559 366335 561118 732670 1402795 2805590 11502919 23005838 57514595 115029190