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11389790 = 251138979
BaseRepresentation
bin101011011100…
…101101011110
3210102122212002
4223130231132
510403433130
61044042302
7165545246
oct53345536
923378762
1011389790
11647a355
123993392
13248a329
141726b26
15eeeb45
hexadcb5e

11389790 has 8 divisors (see below), whose sum is σ = 20501640. Its totient is φ = 4555912.

The previous prime is 11389771. The next prime is 11389831. The reversal of 11389790 is 9798311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569480 + ... + 569499.

It is an arithmetic number, because the mean of its divisors is an integer number (2562705).

Almost surely, 211389790 is an apocalyptic number.

11389790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11389790 is a deficient number, since it is larger than the sum of its proper divisors (9111850).

11389790 is a wasteful number, since it uses less digits than its factorization.

11389790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138986.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 11389790 is about 3374.8762940292. The cubic root of 11389790 is about 224.9945019233.

The spelling of 11389790 in words is "eleven million, three hundred eighty-nine thousand, seven hundred ninety".

Divisors: 1 2 5 10 1138979 2277958 5694895 11389790