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271420 = 22541331
BaseRepresentation
bin1000010010000111100
3111210022121
41002100330
532141140
65452324
72210212
oct1022074
9453277
10271420
11175a16
121110a4
1396706
1470cb2
155564a
hex4243c

271420 has 24 divisors (see below), whose sum is σ = 585648. Its totient is φ = 105600.

The previous prime is 271409. The next prime is 271429. The reversal of 271420 is 24172.

It is a junction number, because it is equal to n+sod(n) for n = 271394 and 271403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655 + ... + 985.

It is an arithmetic number, because the mean of its divisors is an integer number (24402).

2271420 is an apocalyptic number.

271420 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 271420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292824).

271420 is an abundant number, since it is smaller than the sum of its proper divisors (314228).

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

271420 is a wasteful number, since it uses less digits than its factorization.

271420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 271420 is about 520.9798460593. The cubic root of 271420 is about 64.7461499477.

Adding to 271420 its reverse (24172), we get a palindrome (295592).

The spelling of 271420 in words is "two hundred seventy-one thousand, four hundred twenty", and thus it is an iban number.

Divisors: 1 2 4 5 10 20 41 82 164 205 331 410 662 820 1324 1655 3310 6620 13571 27142 54284 67855 135710 271420