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8161036 = 2213156943
BaseRepresentation
bin11111001000011100001100
3120100121211121
4133020130030
54042123121
6450530324
7126240052
oct37103414
916317747
108161036
114674564
1228969a4
1318c9820
1411261d2
15ab3141
hex7c870c

8161036 has 12 divisors (see below), whose sum is σ = 15380512. Its totient is φ = 3766608.

The previous prime is 8161031. The next prime is 8161039. The reversal of 8161036 is 6301618.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 8161036.

It is not an unprimeable number, because it can be changed into a prime (8161031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78420 + ... + 78523.

Almost surely, 28161036 is an apocalyptic number.

It is an amenable number.

8161036 is a deficient number, since it is larger than the sum of its proper divisors (7219476).

8161036 is a wasteful number, since it uses less digits than its factorization.

8161036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156960 (or 156958 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8161036 is about 2856.7527019327. The cubic root of 8161036 is about 201.3330616587. Note that the first 3 decimals are identical.

The spelling of 8161036 in words is "eight million, one hundred sixty-one thousand, thirty-six".

Divisors: 1 2 4 13 26 52 156943 313886 627772 2040259 4080518 8161036