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271289064 = 23343262877
BaseRepresentation
bin10000001010111…
…000101011101000
3200220110220122010
4100022320223220
51023422222224
642530355520
76502630134
oct2012705350
9626426563
10271289064
1112a154542
1276a2bba0
1344287797
142805c3c4
1518c3be29
hex102b8ae8

271289064 has 32 divisors (see below), whose sum is σ = 693997920. Its totient is φ = 88326336.

The previous prime is 271289063. The next prime is 271289093. The reversal of 271289064 is 460982172.

It is not an unprimeable number, because it can be changed into a prime (271289063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130407 + ... + 132470.

It is an arithmetic number, because the mean of its divisors is an integer number (21687435).

Almost surely, 2271289064 is an apocalyptic number.

271289064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

271289064 is an abundant number, since it is smaller than the sum of its proper divisors (422708856).

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

271289064 is a wasteful number, since it uses less digits than its factorization.

271289064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262929 (or 262925 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 271289064 is about 16470.8549869155. The cubic root of 271289064 is about 647.3573685427.

The spelling of 271289064 in words is "two hundred seventy-one million, two hundred eighty-nine thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 344 516 1032 262877 525754 788631 1051508 1577262 2103016 3154524 6309048 11303711 22607422 33911133 45214844 67822266 90429688 135644532 271289064