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8040105 = 3252961101
BaseRepresentation
bin11110101010111010101001
3120010110221200
4132222322221
54024240410
6444154413
7125224353
oct36527251
916113850
108040105
1145a1717
122838a09
131886778
1410d40d3
15a8c3c0
hex7aaea9

8040105 has 48 divisors (see below), whose sum is σ = 14798160. Its totient is φ = 4032000.

The previous prime is 8040091. The next prime is 8040121. The reversal of 8040105 is 5010408.

It can be written as a sum of positive squares in 8 ways, for example, as 36864 + 8003241 = 192^2 + 2829^2 .

It is not a de Polignac number, because 8040105 - 24 = 8040089 is a prime.

It is a super-2 number, since 2×80401052 = 129286576822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79555 + ... + 79655.

It is an arithmetic number, because the mean of its divisors is an integer number (308295).

Almost surely, 28040105 is an apocalyptic number.

It is an amenable number.

8040105 is a deficient number, since it is larger than the sum of its proper divisors (6758055).

8040105 is a wasteful number, since it uses less digits than its factorization.

8040105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 8040105 is about 2835.5078910135. The cubic root of 8040105 is about 200.3336514075. Note that the first 3 decimals are identical.

The spelling of 8040105 in words is "eight million, forty thousand, one hundred five".

Divisors: 1 3 5 9 15 29 45 61 87 101 145 183 261 303 305 435 505 549 909 915 1305 1515 1769 2745 2929 4545 5307 6161 8787 8845 14645 15921 18483 26361 26535 30805 43935 55449 79605 92415 131805 178669 277245 536007 893345 1608021 2680035 8040105