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8105253 = 313613407
BaseRepresentation
bin11110111010110100100101
3120020210022120
4132322310211
54033332003
6445420153
7125615322
oct36726445
916223276
108105253
114636662
12286a659
1318aa310
14110db49
15aa1853
hex7bad25

8105253 has 16 divisors (see below), whose sum is σ = 11832576. Its totient is φ = 4904640.

The previous prime is 8105231. The next prime is 8105261. The reversal of 8105253 is 3525018.

It is not a de Polignac number, because 8105253 - 25 = 8105221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8105653) 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, 676 + ... + 4082.

It is an arithmetic number, because the mean of its divisors is an integer number (739536).

Almost surely, 28105253 is an apocalyptic number.

It is an amenable number.

8105253 is a deficient number, since it is larger than the sum of its proper divisors (3727323).

8105253 is a wasteful number, since it uses less digits than its factorization.

8105253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 8105253 is about 2846.9726026079. The cubic root of 8105253 is about 200.8732896096.

The spelling of 8105253 in words is "eight million, one hundred five thousand, two hundred fifty-three".

Divisors: 1 3 13 39 61 183 793 2379 3407 10221 44291 132873 207827 623481 2701751 8105253