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11052405 = 3257132699
BaseRepresentation
bin101010001010…
…010101110101
3202210112001100
4222022111311
510312134110
61032520313
7162641520
oct52122565
922715040
1011052405
116269921
123850099
13239c8b0
141679bb7
15e84bc0
hexa8a575

11052405 has 48 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 4662144.

The previous prime is 11052389. The next prime is 11052409. The reversal of 11052405 is 50425011.

Added to its reverse (50425011) it gives a triangular number (61477416 = T11088).

11052405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11052405 - 24 = 11052389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11052409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2746 + ... + 5444.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 211052405 is an apocalyptic number.

11052405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11052405 is an abundant number, since it is smaller than the sum of its proper divisors (12534795).

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

11052405 is a wasteful number, since it uses less digits than its factorization.

11052405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 11052405 is about 3324.5157542114. The cubic root of 11052405 is about 222.7506244621.

Adding to 11052405 its reverse (50425011), we get a palindrome (61477416).

The spelling of 11052405 in words is "eleven million, fifty-two thousand, four hundred five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 63 65 91 105 117 195 273 315 455 585 819 1365 2699 4095 8097 13495 18893 24291 35087 40485 56679 94465 105261 121455 170037 175435 245609 283395 315783 526305 736827 850185 1228045 1578915 2210481 3684135 11052405