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271242864 = 24332327299
BaseRepresentation
bin10000001010101…
…101011001110000
3200220101120021000
4100022231121300
51023414232424
642525402000
76502345344
oct2012553160
9626346230
10271242864
1112a122862
1276a09300
134426c749
1428049624
1518c2d3c9
hex102ad670

271242864 has 80 divisors (see below), whose sum is σ = 812448000. Its totient is φ = 86480064.

The previous prime is 271242863. The next prime is 271242877. The reversal of 271242864 is 468242172.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271242863) 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, 3714 + ... + 23585.

It is an arithmetic number, because the mean of its divisors is an integer number (10155600).

Almost surely, 2271242864 is an apocalyptic number.

271242864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 271242864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406224000).

271242864 is an abundant number, since it is smaller than the sum of its proper divisors (541205136).

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

271242864 is a wasteful number, since it uses less digits than its factorization.

271242864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27339 (or 27327 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 271242864 is about 16469.4524499147. The cubic root of 271242864 is about 647.3206185561.

The spelling of 271242864 in words is "two hundred seventy-one million, two hundred forty-two thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 36 46 48 54 69 72 92 108 138 144 184 207 216 276 368 414 432 552 621 828 1104 1242 1656 2484 3312 4968 9936 27299 54598 81897 109196 163794 218392 245691 327588 436784 491382 627877 655176 737073 982764 1255754 1310352 1474146 1883631 1965528 2511508 2948292 3767262 3931056 5023016 5650893 5896584 7534524 10046032 11301786 11793168 15069048 16952679 22603572 30138096 33905358 45207144 67810716 90414288 135621432 271242864