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271308021 = 3296914513
BaseRepresentation
bin10000001010111…
…101010011110101
3200220111212122020
4100022331103311
51023423324041
642531023353
76503036325
oct2012752365
9626455566
10271308021
1112a167806
1276a3ab59
13442932ba
1428065285
1518c42866
hex102bd4f5

271308021 has 16 divisors (see below), whose sum is σ = 374842560. Its totient is φ = 174343680.

The previous prime is 271307999. The next prime is 271308047. The reversal of 271308021 is 120803172.

It is not a de Polignac number, because 271308021 - 26 = 271307957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 271307982 and 271308000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271308061) 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, 57861 + ... + 62373.

It is an arithmetic number, because the mean of its divisors is an integer number (23427660).

Almost surely, 2271308021 is an apocalyptic number.

It is an amenable number.

271308021 is a deficient number, since it is larger than the sum of its proper divisors (103534539).

271308021 is a wasteful number, since it uses less digits than its factorization.

271308021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 271308021 is about 16471.4304478998. The cubic root of 271308021 is about 647.3724467617.

The spelling of 271308021 in words is "two hundred seventy-one million, three hundred eight thousand, twenty-one".

Divisors: 1 3 29 87 691 2073 4513 13539 20039 60117 130877 392631 3118483 9355449 90436007 271308021