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36806869 = 112331919
BaseRepresentation
bin1000110001101…
…0000011010101
32120020222112101
42030122003111
533410304434
63352522101
7624565441
oct214320325
976228471
1036806869
111985a600
12103b0331
137819318
144c61821
153370b14
hex231a0d5

36806869 has 12 divisors (see below), whose sum is σ = 40623520. Its totient is φ = 33323400.

The previous prime is 36806863. The next prime is 36806873. The reversal of 36806869 is 96860863.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-36806869 is a prime.

It is a super-2 number, since 2×368068692 = 2709491211166322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36806863) 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 11 ways as a sum of consecutive naturals, for example, 39592 + ... + 40510.

Almost surely, 236806869 is an apocalyptic number.

It is an amenable number.

36806869 is a deficient number, since it is larger than the sum of its proper divisors (3816651).

36806869 is a wasteful number, since it uses less digits than its factorization.

36806869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 36806869 is about 6066.8664893831. The cubic root of 36806869 is about 332.6413938754.

It can be divided in two parts, 36806 and 869, that added together give a triangular number (37675 = T274).

The spelling of 36806869 in words is "thirty-six million, eight hundred six thousand, eight hundred sixty-nine".

Divisors: 1 11 121 331 919 3641 10109 40051 111199 304189 3346079 36806869