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11252538 = 23211173343
BaseRepresentation
bin101010111011…
…001100111010
3210011200120200
4222323030322
510340040123
61041103030
7164434143
oct52731472
923150520
1011252538
116396220
123927a76
13243ca0b
1416ccaca
15ec4143
hexabb33a

11252538 has 48 divisors (see below), whose sum is σ = 28169856. Its totient is φ = 3208320.

The previous prime is 11252533. The next prime is 11252557. The reversal of 11252538 is 83525211.

It is a happy number.

11252538 is a `hidden beast` number, since 1 + 125 + 2 + 538 = 666.

It is a super-2 number, since 2×112525382 = 253239222882888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11252533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1695 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (586872).

Almost surely, 211252538 is an apocalyptic number.

11252538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11252538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14084928).

11252538 is an abundant number, since it is smaller than the sum of its proper divisors (16917318).

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

11252538 is a wasteful number, since it uses less digits than its factorization.

11252538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379 (or 3376 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 11252538 is about 3354.4802876154. The cubic root of 11252538 is about 224.0870861427.

Adding to 11252538 its reverse (83525211), we get a palindrome (94777749).

It can be divided in two parts, 1125 and 2538, that added together give a palindrome (3663).

The spelling of 11252538 in words is "eleven million, two hundred fifty-two thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 11 17 18 22 33 34 51 66 99 102 153 187 198 306 374 561 1122 1683 3343 3366 6686 10029 20058 30087 36773 56831 60174 73546 110319 113662 170493 220638 330957 340986 511479 625141 661914 1022958 1250282 1875423 3750846 5626269 11252538