Search a number
-
+
127171140 = 22352392153
BaseRepresentation
bin1111001010001…
…11101001000100
322212021222000020
413211013221010
5230023434030
620341415140
73102636225
oct745075104
9285258006
10127171140
116586a618
123670a4b0
1320467cc5
1412c6524c
15b270510
hex7947a44

127171140 has 48 divisors (see below), whose sum is σ = 371564928. Its totient is φ = 32437504.

The previous prime is 127171127. The next prime is 127171151. The reversal of 127171140 is 41171721.

It is a self number, because there is not a number n which added to its sum of digits gives 127171140.

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 15 ways as a sum of consecutive naturals, for example, 44697 + ... + 47456.

It is an arithmetic number, because the mean of its divisors is an integer number (7740936).

Almost surely, 2127171140 is an apocalyptic number.

127171140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127171140 is an abundant number, since it is smaller than the sum of its proper divisors (244393788).

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

127171140 is a wasteful number, since it uses less digits than its factorization.

127171140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92188 (or 92186 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 127171140 is about 11277.0182229169. The cubic root of 127171140 is about 502.8782528617.

The spelling of 127171140 in words is "one hundred twenty-seven million, one hundred seventy-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 92153 184306 276459 368612 460765 552918 921530 1105836 1382295 1843060 2119519 2764590 4239038 5529180 6358557 8478076 10597595 12717114 21195190 25434228 31792785 42390380 63585570 127171140