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11280632 = 2311128189
BaseRepresentation
bin101011000010…
…000011111000
3210020010010012
4223002003320
510341440012
61041441052
7164612066
oct53020370
923203105
1011280632
116405340
123940188
13244c73c
1416d9036
15ecc622
hexac20f8

11280632 has 16 divisors (see below), whose sum is σ = 23074200. Its totient is φ = 5127520.

The previous prime is 11280631. The next prime is 11280637. The reversal of 11280632 is 23608211.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 11280598 and 11280607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11280631) 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, 64007 + ... + 64182.

Almost surely, 211280632 is an apocalyptic number.

It is an amenable number.

11280632 is an abundant number, since it is smaller than the sum of its proper divisors (11793568).

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

11280632 is a wasteful number, since it uses less digits than its factorization.

11280632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128206 (or 128202 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 11280632 is about 3358.6652110623. The cubic root of 11280632 is about 224.2734224924.

Adding to 11280632 its reverse (23608211), we get a palindrome (34888843).

The spelling of 11280632 in words is "eleven million, two hundred eighty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 128189 256378 512756 1025512 1410079 2820158 5640316 11280632