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1071272 = 23177877
BaseRepresentation
bin100000101100010101000
32000102111202
410011202220
5233240042
634543332
712051146
oct4054250
92012452
101071272
11671954
12437b48
132b67b7
141dc596
15162632
hex1058a8

1071272 has 16 divisors (see below), whose sum is σ = 2127060. Its totient is φ = 504064.

The previous prime is 1071269. The next prime is 1071283. The reversal of 1071272 is 2721701.

It can be written as a sum of positive squares in 2 ways, for example, as 1069156 + 2116 = 1034^2 + 46^2 .

It is a super-2 number, since 2×10712722 = 2295247395968, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3803 + ... + 4074.

21071272 is an apocalyptic number.

It is an amenable number.

1071272 is a deficient number, since it is larger than the sum of its proper divisors (1055788).

1071272 is a wasteful number, since it uses less digits than its factorization.

1071272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900 (or 7896 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 1071272 is about 1035.0227050650. The cubic root of 1071272 is about 102.3214261334.

Adding to 1071272 its reverse (2721701), we get a palindrome (3792973).

The spelling of 1071272 in words is "one million, seventy-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 17 34 68 136 7877 15754 31508 63016 133909 267818 535636 1071272