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8000036 = 2211216529
BaseRepresentation
bin11110100001001000100100
3120001102222122
4132201020210
54022000121
6443245112
7124666502
oct36411044
916042878
108000036
114574600
122819798
131871465
1410c3672
15a805ab
hex7a1224

8000036 has 18 divisors (see below), whose sum is σ = 15389430. Its totient is φ = 3636160.

The previous prime is 8000033. The next prime is 8000051. The reversal of 8000036 is 6300008.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7806436 + 193600 = 2794^2 + 440^2 .

It is an Ulam number.

8000036 is a modest number, since divided by 36 gives 8 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 7999978 and 8000023.

It is not an unprimeable number, because it can be changed into a prime (8000033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7781 + ... + 8748.

Almost surely, 28000036 is an apocalyptic number.

It is an amenable number.

8000036 is a deficient number, since it is larger than the sum of its proper divisors (7389394).

8000036 is a wasteful number, since it uses less digits than its factorization.

8000036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16555 (or 16542 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 8000036 is about 2828.4334887001. The cubic root of 8000036 is about 200.0002999996. Note that the first 3 decimals are identical.

The spelling of 8000036 in words is "eight million, thirty-six", and thus it is an aban number and an uban number.

Divisors: 1 2 4 11 22 44 121 242 484 16529 33058 66116 181819 363638 727276 2000009 4000018 8000036