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11244431 = 1129101349
BaseRepresentation
bin101010111001…
…001110001111
3210011021110102
4222321032033
510334310211
61041001315
7164401412
oct52711617
923137412
1011244431
116390120
12392323b
132439113
1416c9b79
15ec1a3b
hexab938f

11244431 has 16 divisors (see below), whose sum is σ = 12852000. Its totient is φ = 9744000.

The previous prime is 11244419. The next prime is 11244437. The reversal of 11244431 is 13444211.

It is not a de Polignac number, because 11244431 - 26 = 11244367 is a prime.

It is a super-2 number, since 2×112444312 = 252874457027522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244437) 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, 32045 + ... + 32393.

It is an arithmetic number, because the mean of its divisors is an integer number (803250).

Almost surely, 211244431 is an apocalyptic number.

11244431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11244431 is a deficient number, since it is larger than the sum of its proper divisors (1607569).

11244431 is a wasteful number, since it uses less digits than its factorization.

11244431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its digits is 384, while the sum is 20.

The square root of 11244431 is about 3353.2716859807. The cubic root of 11244431 is about 224.0332579764.

Adding to 11244431 its reverse (13444211), we get a palindrome (24688642).

It can be divided in two parts, 1124 and 4431, that added together give a palindrome (5555).

The spelling of 11244431 in words is "eleven million, two hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 11 29 101 319 349 1111 2929 3839 10121 32219 35249 111331 387739 1022221 11244431