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13828275 = 3252411499
BaseRepresentation
bin110100110000…
…000010110011
3222000112211100
4310300002303
512020001100
61212215443
7225352446
oct64600263
928015740
1013828275
11789542a
12476a583
132b32216
141b9d65d
151332400
hexd300b3

13828275 has 36 divisors (see below), whose sum is σ = 25389000. Its totient is φ = 7190400.

The previous prime is 13828271. The next prime is 13828279. The reversal of 13828275 is 57282831.

13828275 is a `hidden beast` number, since 1 + 382 + 8 + 275 = 666.

13828275 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13828271) and next prime (13828279).

It is not a de Polignac number, because 13828275 - 22 = 13828271 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13828271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8476 + ... + 9974.

It is an arithmetic number, because the mean of its divisors is an integer number (705250).

Almost surely, 213828275 is an apocalyptic number.

13828275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13828275 is a deficient number, since it is larger than the sum of its proper divisors (11560725).

13828275 is a wasteful number, since it uses less digits than its factorization.

13828275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 1548 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 13828275 is about 3718.6388638855. The cubic root of 13828275 is about 240.0247370336.

The spelling of 13828275 in words is "thirteen million, eight hundred twenty-eight thousand, two hundred seventy-five".

Divisors: 1 3 5 9 15 25 41 45 75 123 205 225 369 615 1025 1499 1845 3075 4497 7495 9225 13491 22485 37475 61459 67455 112425 184377 307295 337275 553131 921885 1536475 2765655 4609425 13828275