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271248972 = 22322604081
BaseRepresentation
bin10000001010101…
…110111001001100
3200220101212122020
4100022232321030
51023414431342
642525450140
76502402221
oct2012567114
9626355566
10271248972
1112a127405
1276a10950
1344272467
142804b948
1518c300ec
hex102aee4c

271248972 has 12 divisors (see below), whose sum is σ = 632914296. Its totient is φ = 90416320.

The previous prime is 271248937. The next prime is 271248973. The reversal of 271248972 is 279842172.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2712489722 = 147152009622113568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (271248973) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11302029 + ... + 11302052.

It is an arithmetic number, because the mean of its divisors is an integer number (52742858).

Almost surely, 2271248972 is an apocalyptic number.

It is an amenable number.

271248972 is an abundant number, since it is smaller than the sum of its proper divisors (361665324).

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

271248972 is a wasteful number, since it uses less digits than its factorization.

271248972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604088 (or 22604086 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 271248972 is about 16469.6378830866. The cubic root of 271248972 is about 647.3254774301.

The spelling of 271248972 in words is "two hundred seventy-one million, two hundred forty-eight thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 22604081 45208162 67812243 90416324 135624486 271248972