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11409102 = 2321793541
BaseRepresentation
bin101011100001…
…011011001110
3210110122100100
4223201123032
510410042402
61044311530
7165655455
oct53413316
923418310
1011409102
116492911
1239a25a6
132496063
14172db9c
15100571c
hexae16ce

11409102 has 24 divisors (see below), whose sum is σ = 24864840. Its totient is φ = 3780720.

The previous prime is 11409077. The next prime is 11409103. The reversal of 11409102 is 20190411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11409103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1452 + ... + 4992.

It is an arithmetic number, because the mean of its divisors is an integer number (1036035).

Almost surely, 211409102 is an apocalyptic number.

11409102 is an abundant number, since it is smaller than the sum of its proper divisors (13455738).

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

11409102 is a wasteful number, since it uses less digits than its factorization.

11409102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728 (or 3725 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11409102 is about 3377.7362241596. The cubic root of 11409102 is about 225.1215935364.

Adding to 11409102 its reverse (20190411), we get a palindrome (31599513).

It can be divided in two parts, 11409 and 102, that added together give a palindrome (11511).

The spelling of 11409102 in words is "eleven million, four hundred nine thousand, one hundred two".

Divisors: 1 2 3 6 9 18 179 358 537 1074 1611 3222 3541 7082 10623 21246 31869 63738 633839 1267678 1901517 3803034 5704551 11409102