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11940788 = 223780681
BaseRepresentation
bin101101100011…
…001110110100
3211110122200102
4231203032310
511024101123
61103533232
7203331536
oct55431664
924418612
1011940788
116816322
123bba218
132621072
14182b856
1510ad028
hexb633b4

11940788 has 12 divisors (see below), whose sum is σ = 21461412. Its totient is φ = 5808960.

The previous prime is 11940787. The next prime is 11940793. The reversal of 11940788 is 88704911.

It can be written as a sum of positive squares in 2 ways, for example, as 11546404 + 394384 = 3398^2 + 628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11940787) 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 3 ways as a sum of consecutive naturals, for example, 40193 + ... + 40488.

It is an arithmetic number, because the mean of its divisors is an integer number (1788451).

Almost surely, 211940788 is an apocalyptic number.

It is an amenable number.

11940788 is a deficient number, since it is larger than the sum of its proper divisors (9520624).

11940788 is a wasteful number, since it uses less digits than its factorization.

11940788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80722 (or 80720 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 11940788 is about 3455.5445301718. The cubic root of 11940788 is about 228.5656673399.

The spelling of 11940788 in words is "eleven million, nine hundred forty thousand, seven hundred eighty-eight".

Divisors: 1 2 4 37 74 148 80681 161362 322724 2985197 5970394 11940788