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11252240 = 245433271
BaseRepresentation
bin101010111011…
…001000010000
3210011200011122
4222323020100
510340032430
61041101412
7164433236
oct52731020
923150148
1011252240
116395a7a
123927868
13243c83c
1416cc956
15ec3ee5
hexabb210

11252240 has 40 divisors (see below), whose sum is σ = 26778048. Its totient is φ = 4394880.

The previous prime is 11252239. The next prime is 11252251. The reversal of 11252240 is 4225211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×112522402 = 253225810035200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805 + ... + 5075.

Almost surely, 211252240 is an apocalyptic number.

11252240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11252240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13389024).

11252240 is an abundant number, since it is smaller than the sum of its proper divisors (15525808).

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

11252240 is a wasteful number, since it uses less digits than its factorization.

11252240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327 (or 3321 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 11252240 is about 3354.4358691142. The cubic root of 11252240 is about 224.0851079656.

Adding to 11252240 its reverse (4225211), we get a palindrome (15477451).

The spelling of 11252240 in words is "eleven million, two hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3271 3440 6542 13084 16355 26168 32710 52336 65420 130840 140653 261680 281306 562612 703265 1125224 1406530 2250448 2813060 5626120 11252240