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11730288 = 243244381
BaseRepresentation
bin101100101111…
…110101110000
3211001221221010
4230233311300
511000332123
61055230520
7201464043
oct54576560
924057833
1011730288
116692159
123b18440
1325792cb
1417b4c5a
15106a993
hexb2fd70

11730288 has 20 divisors (see below), whose sum is σ = 30303368. Its totient is φ = 3910080.

The previous prime is 11730287. The next prime is 11730311. The reversal of 11730288 is 88203711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11730281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122143 + ... + 122238.

Almost surely, 211730288 is an apocalyptic number.

It is an amenable number.

11730288 is an abundant number, since it is smaller than the sum of its proper divisors (18573080).

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

11730288 is a wasteful number, since it uses less digits than its factorization.

11730288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244392 (or 244386 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 11730288 is about 3424.9508025664. The cubic root of 11730288 is about 227.2145952073.

Adding to 11730288 its reverse (88203711), we get a palindrome (99933999).

The spelling of 11730288 in words is "eleven million, seven hundred thirty thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 244381 488762 733143 977524 1466286 1955048 2932572 3910096 5865144 11730288