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8105525 = 52349929
BaseRepresentation
bin11110111010111000110101
3120020210200122
4132322320311
54033334100
6445421325
7125616161
oct36727065
916223618
108105525
11463688a
12286a845
1318aa48c
14110dca1
15aa1985
hex7bae35

8105525 has 12 divisors (see below), whose sum is σ = 10090500. Its totient is φ = 6458880.

The previous prime is 8105519. The next prime is 8105551. The reversal of 8105525 is 5255018.

It can be written as a sum of positive squares in 6 ways, for example, as 917764 + 7187761 = 958^2 + 2681^2 .

It is not a de Polignac number, because 8105525 - 24 = 8105509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8105494 and 8105503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8261 + ... + 9189.

It is an arithmetic number, because the mean of its divisors is an integer number (840875).

Almost surely, 28105525 is an apocalyptic number.

It is an amenable number.

8105525 is a deficient number, since it is larger than the sum of its proper divisors (1984975).

8105525 is a wasteful number, since it uses less digits than its factorization.

8105525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 8105525 is about 2847.0203722489. The cubic root of 8105525 is about 200.8755365855.

The spelling of 8105525 in words is "eight million, one hundred five thousand, five hundred twenty-five".

Divisors: 1 5 25 349 929 1745 4645 8725 23225 324221 1621105 8105525