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11245388 = 22711291259
BaseRepresentation
bin101010111001…
…011101001100
3210011022202212
4222321131030
510334323023
61041005552
7164404250
oct52713514
923138685
1011245388
116390910
1239238b8
13243969b
1416ca260
15ec1e78
hexab974c

11245388 has 48 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 4226880.

The previous prime is 11245387. The next prime is 11245391. The reversal of 11245388 is 88354211.

It is not an unprimeable number, because it can be changed into a prime (11245387) 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 15 ways as a sum of consecutive naturals, for example, 8303 + ... + 9561.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 211245388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11245388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700800).

11245388 is an abundant number, since it is smaller than the sum of its proper divisors (14156212).

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

11245388 is a wasteful number, since it uses less digits than its factorization.

11245388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310 (or 1308 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 11245388 is about 3353.4143794050. The cubic root of 11245388 is about 224.0396135298.

Adding to 11245388 its reverse (88354211), we get a palindrome (99599599).

The spelling of 11245388 in words is "eleven million, two hundred forty-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 11 14 22 28 29 44 58 77 116 154 203 308 319 406 638 812 1259 1276 2233 2518 4466 5036 8813 8932 13849 17626 27698 35252 36511 55396 73022 96943 146044 193886 255577 387772 401621 511154 803242 1022308 1606484 2811347 5622694 11245388