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11693997 = 33728839
BaseRepresentation
bin101100100110…
…111110101101
3211000010011000
4230212332231
510443201442
61054350513
7201253200
oct54467655
924003130
1011693997
116667967
123abb439
132565933
1417a5937
15105ed4c
hexb26fad

11693997 has 24 divisors (see below), whose sum is σ = 20155200. Its totient is φ = 6681528.

The previous prime is 11693963. The next prime is 11694013. The reversal of 11693997 is 79939611.

It is not a de Polignac number, because 11693997 - 26 = 11693933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11693497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3097 + ... + 5742.

It is an arithmetic number, because the mean of its divisors is an integer number (839800).

Almost surely, 211693997 is an apocalyptic number.

It is an amenable number.

11693997 is a deficient number, since it is larger than the sum of its proper divisors (8461203).

11693997 is an equidigital number, since it uses as much as digits as its factorization.

11693997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862 (or 8849 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 11693997 is about 3419.6486661644. The cubic root of 11693997 is about 226.9800353754.

The spelling of 11693997 in words is "eleven million, six hundred ninety-three thousand, nine hundred ninety-seven".

Divisors: 1 3 7 9 21 27 49 63 147 189 441 1323 8839 26517 61873 79551 185619 238653 433111 556857 1299333 1670571 3897999 11693997