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11245530 = 23519109181
BaseRepresentation
bin101010111001…
…011111011010
3210011022222010
4222321133122
510334324110
61041010350
7164404542
oct52713732
923138863
1011245530
116390a2a
1239239b6
13243977a
1416ca322
15ec2020
hexab97da

11245530 has 64 divisors (see below), whose sum is σ = 28828800. Its totient is φ = 2799360.

The previous prime is 11245523. The next prime is 11245537. The reversal of 11245530 is 3554211.

It is an interprime number because it is at equal distance from previous prime (11245523) and next prime (11245537).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11245497 and 11245506.

It is not an unprimeable number, because it can be changed into a prime (11245537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62040 + ... + 62220.

It is an arithmetic number, because the mean of its divisors is an integer number (450450).

Almost surely, 211245530 is an apocalyptic number.

11245530 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 11245530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14414400).

11245530 is an abundant number, since it is smaller than the sum of its proper divisors (17583270).

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

11245530 is a wasteful number, since it uses less digits than its factorization.

11245530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 11245530 is about 3353.4355517886. The cubic root of 11245530 is about 224.0405565384.

Adding to 11245530 its reverse (3554211), we get a palindrome (14799741).

The spelling of 11245530 in words is "eleven million, two hundred forty-five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 109 114 181 190 218 285 327 362 543 545 570 654 905 1086 1090 1635 1810 2071 2715 3270 3439 4142 5430 6213 6878 10317 10355 12426 17195 19729 20634 20710 31065 34390 39458 51585 59187 62130 98645 103170 118374 197290 295935 374851 591870 749702 1124553 1874255 2249106 3748510 5622765 11245530