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271009920 = 27351719223
BaseRepresentation
bin10000001001110…
…100100010000000
3200212221201201110
4100021310202000
51023334304140
642520403320
76500355246
oct2011644200
9625851643
10271009920
11129a83845
1276916540
13441ba6cc
1427dc8796
1518bd4380
hex10274880

271009920 has 384 divisors, whose sum is σ = 1007303040. Its totient is φ = 61636608.

The previous prime is 271009889. The next prime is 271009927. The reversal of 271009920 is 29900172.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (271009927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11783029 + ... + 11783051.

It is an arithmetic number, because the mean of its divisors is an integer number (2623185).

Almost surely, 2271009920 is an apocalyptic number.

271009920 is a gapful number since it is divisible by the number (20) 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 271009920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503651520).

271009920 is an abundant number, since it is smaller than the sum of its proper divisors (736293120).

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

271009920 is a wasteful number, since it uses less digits than its factorization.

271009920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 271009920 is about 16462.3789289398. The cubic root of 271009920 is about 647.1352586679.

The spelling of 271009920 in words is "two hundred seventy-one million, nine thousand, nine hundred twenty".