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13828097 = 14819337
BaseRepresentation
bin110100110000…
…000000000001
3222000112120202
4310300000001
512014444342
61212214545
7225352103
oct64600001
928015522
1013828097
117895288
12476a455
132b3210a
141b9d573
151332332
hexd30001

13828097 has 4 divisors (see below), whose sum is σ = 13838916. Its totient is φ = 13817280.

The previous prime is 13828093. The next prime is 13828109. The reversal of 13828097 is 79082831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10137856 + 3690241 = 3184^2 + 1921^2 .

It is a cyclic number.

It is not a de Polignac number, because 13828097 - 22 = 13828093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13828097.

It is not an unprimeable number, because it can be changed into a prime (13828091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3188 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (3459729).

It is a Proth number, since it is equal to 211 ⋅ 216 + 1 and 211 < 216.

Almost surely, 213828097 is an apocalyptic number.

It is an amenable number.

13828097 is a deficient number, since it is larger than the sum of its proper divisors (10819).

13828097 is an equidigital number, since it uses as much as digits as its factorization.

13828097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 13828097 is about 3718.6149303202. The cubic root of 13828097 is about 240.0237071489.

The spelling of 13828097 in words is "thirteen million, eight hundred twenty-eight thousand, ninety-seven".

Divisors: 1 1481 9337 13828097