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271531142 = 2283593809
BaseRepresentation
bin10000001011110…
…011110010000110
3200220221012200222
4100023303302012
51024002444032
642535504342
76504655661
oct2013636206
9626835628
10271531142
1112a2aa403
1276b280b2
1344340a1c
14280c26d8
1518c88a12
hex102f3c86

271531142 has 16 divisors (see below), whose sum is σ = 409931280. Its totient is φ = 134890752.

The previous prime is 271531129. The next prime is 271531171. The reversal of 271531142 is 241135172.

It is a super-2 number, since 2×2715311422 = 147458322151648328, 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, 335234 + ... + 336042.

It is an arithmetic number, because the mean of its divisors is an integer number (25620705).

Almost surely, 2271531142 is an apocalyptic number.

271531142 is a deficient number, since it is larger than the sum of its proper divisors (138400138).

271531142 is a wasteful number, since it uses less digits than its factorization.

271531142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its digits is 1680, while the sum is 26.

The square root of 271531142 is about 16478.2020257066. The cubic root of 271531142 is about 647.5498623418.

The spelling of 271531142 in words is "two hundred seventy-one million, five hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 283 566 593 809 1186 1618 167819 228947 335638 457894 479737 959474 135765571 271531142