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11442045 = 351077129
BaseRepresentation
bin101011101001…
…011101111101
3210112022112110
4223221131331
510412121140
61045124233
7166153506
oct53513575
923468473
1011442045
11650563a
1239b9679
1324a8054
14173bbad
151010380
hexae977d

11442045 has 16 divisors (see below), whose sum is σ = 18480960. Its totient is φ = 6044544.

The previous prime is 11442043. The next prime is 11442049. The reversal of 11442045 is 54024411.

It is a happy number.

It is not a de Polignac number, because 11442045 - 21 = 11442043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960 + ... + 5169.

It is an arithmetic number, because the mean of its divisors is an integer number (1155060).

Almost surely, 211442045 is an apocalyptic number.

11442045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11442045 is a deficient number, since it is larger than the sum of its proper divisors (7038915).

11442045 is a wasteful number, since it uses less digits than its factorization.

11442045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7244.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 11442045 is about 3382.6092000111. The cubic root of 11442045 is about 225.3380597163.

Adding to 11442045 its reverse (54024411), we get a palindrome (65466456).

The spelling of 11442045 in words is "eleven million, four hundred forty-two thousand, forty-five".

Divisors: 1 3 5 15 107 321 535 1605 7129 21387 35645 106935 762803 2288409 3814015 11442045