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11408445 = 345171657
BaseRepresentation
bin101011100001…
…010000111101
3210110121110000
4223201100331
510410032240
61044304513
7165653526
oct53412075
923417400
1011408445
116492374
1239a2139
132495979
14172d84d
151005430
hexae143d

11408445 has 40 divisors (see below), whose sum is σ = 21666744. Its totient is φ = 5723136.

The previous prime is 11408431. The next prime is 11408477. The reversal of 11408445 is 54480411.

It is a happy number.

11408445 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1542564 + 9865881 = 1242^2 + 3141^2 .

It is not a de Polignac number, because 11408445 - 26 = 11408381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6057 + ... + 7713.

Almost surely, 211408445 is an apocalyptic number.

11408445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11408445 is a deficient number, since it is larger than the sum of its proper divisors (10258299).

11408445 is a wasteful number, since it uses less digits than its factorization.

11408445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 11408445 is about 3377.6389682735. The cubic root of 11408445 is about 225.1172721993.

Adding to 11408445 its reverse (54480411), we get a palindrome (65888856).

The spelling of 11408445 in words is "eleven million, four hundred eight thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 17 27 45 51 81 85 135 153 255 405 459 765 1377 1657 2295 4971 6885 8285 14913 24855 28169 44739 74565 84507 134217 140845 223695 253521 422535 671085 760563 1267605 2281689 3802815 11408445