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11380791 = 319238681
BaseRepresentation
bin101011011010…
…100000110111
3210102012111210
4223122200313
510403141131
61043532503
7165510102
oct53324067
923365453
1011380791
116473614
12398a133
1324861c6
141723739
15eec146
hexada837

11380791 has 16 divisors (see below), whose sum is σ = 16669440. Its totient is φ = 6874560.

The previous prime is 11380783. The next prime is 11380801. The reversal of 11380791 is 19708311.

It is not a de Polignac number, because 11380791 - 23 = 11380783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11380741) 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 15 ways as a sum of consecutive naturals, for example, 3030 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (1041840).

Almost surely, 211380791 is an apocalyptic number.

11380791 is a deficient number, since it is larger than the sum of its proper divisors (5288649).

11380791 is a wasteful number, since it uses less digits than its factorization.

11380791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11380791 is about 3373.5427965271. The cubic root of 11380791 is about 224.9352307398.

The spelling of 11380791 in words is "eleven million, three hundred eighty thousand, seven hundred ninety-one".

Divisors: 1 3 19 23 57 69 437 1311 8681 26043 164939 199663 494817 598989 3793597 11380791