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13803117 = 379139419
BaseRepresentation
bin110100101001…
…111001101101
3221222021022120
4310221321231
512013144432
61211503153
7225216216
oct64517155
927867276
1013803117
117878539
124757ab9
132b23933
141b9440d
151329c2c
hexd29e6d

13803117 has 16 divisors (see below), whose sum is σ = 18816000. Its totient is φ = 8998704.

The previous prime is 13803089. The next prime is 13803121. The reversal of 13803117 is 71130831.

It is not a de Polignac number, because 13803117 - 27 = 13802989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13803137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32734 + ... + 33152.

It is an arithmetic number, because the mean of its divisors is an integer number (1176000).

Almost surely, 213803117 is an apocalyptic number.

It is an amenable number.

13803117 is a deficient number, since it is larger than the sum of its proper divisors (5012883).

13803117 is a wasteful number, since it uses less digits than its factorization.

13803117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 13803117 is about 3715.2546346112. The cubic root of 13803117 is about 239.8790884007.

Adding to 13803117 its reverse (71130831), we get a palindrome (84933948).

The spelling of 13803117 in words is "thirteen million, eight hundred three thousand, one hundred seventeen".

Divisors: 1 3 79 139 237 417 419 1257 10981 32943 33101 58241 99303 174723 4601039 13803117