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11241405 = 3257127281
BaseRepresentation
bin101010111000…
…011110111101
3210011010022100
4222320132331
510334211110
61040535313
7164356530
oct52703675
923133270
1011241405
11638891a
123921539
132437926
1416c8a17
15ec0bc0
hexab87bd

11241405 has 48 divisors (see below), whose sum is σ = 22523904. Its totient is φ = 5080320.

The previous prime is 11241389. The next prime is 11241443. The reversal of 11241405 is 50414211.

It is not a de Polignac number, because 11241405 - 24 = 11241389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39865 + ... + 40145.

It is an arithmetic number, because the mean of its divisors is an integer number (469248).

Almost surely, 211241405 is an apocalyptic number.

11241405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11241405 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

11241405 is a wasteful number, since it uses less digits than its factorization.

11241405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 11241405 is about 3352.8204544831. The cubic root of 11241405 is about 224.0131595691.

Adding to 11241405 its reverse (50414211), we get a palindrome (61655616).

The spelling of 11241405 in words is "eleven million, two hundred forty-one thousand, four hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 127 281 315 381 635 843 889 1143 1405 1905 1967 2529 2667 4215 4445 5715 5901 8001 9835 12645 13335 17703 29505 35687 40005 88515 107061 178435 249809 321183 535305 749427 1249045 1605915 2248281 3747135 11241405