Search a number
-
+
1140030 = 232553239
BaseRepresentation
bin100010110010100111110
32010220211100
410112110332
5242440110
640233530
712455463
oct4262476
92126740
101140030
11709581
1246b8a6
1330bb98
1421966a
15177bc0
hex11653e

1140030 has 48 divisors (see below), whose sum is σ = 3032640. Its totient is φ = 297024.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140030 is 300411.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1139994 and 1140021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4651 + ... + 4889.

It is an arithmetic number, because the mean of its divisors is an integer number (63180).

21140030 is an apocalyptic number.

1140030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516320).

1140030 is an abundant number, since it is smaller than the sum of its proper divisors (1892610).

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

1140030 is a wasteful number, since it uses less digits than its factorization.

1140030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1140030 is about 1067.7218738979. The cubic root of 1140030 is about 104.4653090285.

Adding to 1140030 its reverse (300411), we get a palindrome (1440441).

The spelling of 1140030 in words is "one million, one hundred forty thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 53 90 106 159 239 265 318 477 478 530 717 795 954 1195 1434 1590 2151 2385 2390 3585 4302 4770 7170 10755 12667 21510 25334 38001 63335 76002 114003 126670 190005 228006 380010 570015 1140030