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11252440 = 235377603
BaseRepresentation
bin101010111011…
…001011011000
3210011200110001
4222323023120
510340034230
61041102344
7164433643
oct52731330
923150401
1011252440
116396141
1239279b4
13243c964
1416cca5a
15ec40ca
hexabb2d8

11252440 has 32 divisors (see below), whose sum is σ = 26005680. Its totient is φ = 4378752.

The previous prime is 11252431. The next prime is 11252447. The reversal of 11252440 is 4425211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11252447) 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 7 ways as a sum of consecutive naturals, for example, 2322 + ... + 5281.

Almost surely, 211252440 is an apocalyptic number.

11252440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11252440 is an abundant number, since it is smaller than the sum of its proper divisors (14753240).

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

11252440 is a wasteful number, since it uses less digits than its factorization.

11252440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651 (or 7647 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 11252440 is about 3354.4656802537. The cubic root of 11252440 is about 224.0864356051.

Adding to 11252440 its reverse (4425211), we get a palindrome (15677651).

The spelling of 11252440 in words is "eleven million, two hundred fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 7603 15206 30412 38015 60824 76030 152060 281311 304120 562622 1125244 1406555 2250488 2813110 5626220 11252440