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14190813 = 3271317327
BaseRepresentation
bin110110001000…
…100011011101
3222200222010200
4312020203131
512113101223
61224054113
7231422430
oct66104335
928628120
1014190813
11801284a
124904339
132c2b240
141c55817
1513a4a43
hexd888dd

14190813 has 24 divisors (see below), whose sum is σ = 25229568. Its totient is φ = 7484832.

The previous prime is 14190811. The next prime is 14190823. The reversal of 14190813 is 31809141.

14190813 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14190813 - 21 = 14190811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14190811) 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, 7845 + ... + 9482.

It is an arithmetic number, because the mean of its divisors is an integer number (1051232).

Almost surely, 214190813 is an apocalyptic number.

14190813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

14190813 is a deficient number, since it is larger than the sum of its proper divisors (11038755).

14190813 is a wasteful number, since it uses less digits than its factorization.

14190813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17353 (or 17350 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 14190813 is about 3767.0695507251. The cubic root of 14190813 is about 242.1042569246.

Adding to 14190813 its reverse (31809141), we get a palindrome (45999954).

The spelling of 14190813 in words is "fourteen million, one hundred ninety thousand, eight hundred thirteen".

Divisors: 1 3 7 9 13 21 39 63 91 117 273 819 17327 51981 121289 155943 225251 363867 675753 1091601 1576757 2027259 4730271 14190813