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271642130 = 2529936697
BaseRepresentation
bin10000001100001…
…110111000010010
3200221010211221122
4100030032320102
51024020022010
642542122242
76505630364
oct2014167022
9627124848
10271642130
1112a375831
1276b80382
134437c3b6
1428110d34
1518cab855
hex1030ee12

271642130 has 16 divisors (see below), whose sum is σ = 505816920. Its totient is φ = 104909952.

The previous prime is 271642109. The next prime is 271642139. The reversal of 271642130 is 31246172.

It can be written as a sum of positive squares in 4 ways, for example, as 144696841 + 126945289 = 12029^2 + 11267^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 271642130.

It is not an unprimeable number, because it can be changed into a prime (271642139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468059 + ... + 468638.

Almost surely, 2271642130 is an apocalyptic number.

271642130 is a deficient number, since it is larger than the sum of its proper divisors (234174790).

271642130 is a wasteful number, since it uses less digits than its factorization.

271642130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936733.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 271642130 is about 16481.5694034276. The cubic root of 271642130 is about 647.6380787106.

The spelling of 271642130 in words is "two hundred seventy-one million, six hundred forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 936697 1873394 4683485 9366970 27164213 54328426 135821065 271642130