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11307828 = 2237219231
BaseRepresentation
bin101011001000…
…101100110100
3210021111102110
4223020230310
510343322303
61042211020
7165054300
oct53105464
923244373
1011307828
116423814
123953a70
13245bc2c
141704d00
15ed5703
hexac8b34

11307828 has 36 divisors (see below), whose sum is σ = 30694272. Its totient is φ = 3230640.

The previous prime is 11307827. The next prime is 11307851. The reversal of 11307828 is 82870311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11307795 and 11307804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11307827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9028 + ... + 10203.

Almost surely, 211307828 is an apocalyptic number.

It is an amenable number.

11307828 is an abundant number, since it is smaller than the sum of its proper divisors (19386444).

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

11307828 is a wasteful number, since it uses less digits than its factorization.

11307828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19252 (or 19243 counting only the distinct ones).

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

The square root of 11307828 is about 3362.7114059937. The cubic root of 11307828 is about 224.4535082951.

The spelling of 11307828 in words is "eleven million, three hundred seven thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 19231 38462 57693 76924 115386 134617 230772 269234 403851 538468 807702 942319 1615404 1884638 2826957 3769276 5653914 11307828