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1063240 = 235191399
BaseRepresentation
bin100000011100101001000
32000000111021
410003211020
5233010430
634442224
712015553
oct4034510
92000437
101063240
11666912
12433374
132b2c49
141d969a
1516007a
hex103948

1063240 has 32 divisors (see below), whose sum is σ = 2520000. Its totient is φ = 402624.

The previous prime is 1063219. The next prime is 1063241. The reversal of 1063240 is 423601.

1063240 = T325 + T326 + ... + T343.

It is a super-2 number, since 2×10632402 = 2260958595200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063241) 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, 61 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (78750).

21063240 is an apocalyptic number.

1063240 is a gapful number since it is divisible by the number (10) 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 1063240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260000).

1063240 is an abundant number, since it is smaller than the sum of its proper divisors (1456760).

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

1063240 is a wasteful number, since it uses less digits than its factorization.

1063240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1063240 is about 1031.1352966512. The cubic root of 1063240 is about 102.0650616564.

Adding to 1063240 its reverse (423601), we get a palindrome (1486841).

The spelling of 1063240 in words is "one million, sixty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 1399 2798 5596 6995 11192 13990 26581 27980 53162 55960 106324 132905 212648 265810 531620 1063240