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11928071 = 43713907
BaseRepresentation
bin101101100000…
…001000000111
3211110000020102
4231200020013
511023144241
61103354315
7203246501
oct55401007
924400212
1011928071
116807811
123bb299b
13261833c
141826d71
1510a939b
hexb60207

11928071 has 8 divisors (see below), whose sum is σ = 12380544. Its totient is φ = 11483640.

The previous prime is 11928043. The next prime is 11928073. The reversal of 11928071 is 17082911.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11928071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11928073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 5006.

It is an arithmetic number, because the mean of its divisors is an integer number (1547568).

Almost surely, 211928071 is an apocalyptic number.

11928071 is a deficient number, since it is larger than the sum of its proper divisors (452473).

11928071 is an equidigital number, since it uses as much as digits as its factorization.

11928071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 11928071 is about 3453.7039537285. The cubic root of 11928071 is about 228.4844973179.

The spelling of 11928071 in words is "eleven million, nine hundred twenty-eight thousand, seventy-one".

Divisors: 1 43 71 3053 3907 168001 277397 11928071