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1061140 = 225173121
BaseRepresentation
bin100000011000100010100
31222220121111
410003010110
5232424030
634424404
712006463
oct4030424
91886544
101061140
11665283
12432104
132b1cc2
141d89da
1515e62a
hex103114

1061140 has 24 divisors (see below), whose sum is σ = 2360232. Its totient is φ = 399360.

The previous prime is 1061129. The next prime is 1061141. The reversal of 1061140 is 411601.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 1052676 = 92^2 + 1026^2 .

It is a super-2 number, since 2×10611402 = 2252036199200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221 + ... + 1900.

It is an arithmetic number, because the mean of its divisors is an integer number (98343).

21061140 is an apocalyptic number.

1061140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061140 is an abundant number, since it is smaller than the sum of its proper divisors (1299092).

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

1061140 is a wasteful number, since it uses less digits than its factorization.

1061140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147 (or 3145 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1061140 is about 1030.1164982661. The cubic root of 1061140 is about 101.9978213042.

Adding to 1061140 its reverse (411601), we get a palindrome (1472741).

The spelling of 1061140 in words is "one million, sixty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 3121 6242 12484 15605 31210 53057 62420 106114 212228 265285 530570 1061140