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36666868 = 2271309531
BaseRepresentation
bin1000101111011…
…1110111110100
32112222212111011
42023313313310
533341314433
63345522004
7623443330
oct213676764
975885434
1036666868
11197743a7
1210343304
13779a694
144c267c0
1533443cd
hex22f7df4

36666868 has 12 divisors (see below), whose sum is σ = 73333792. Its totient is φ = 15714360.

The previous prime is 36666863. The next prime is 36666887. The reversal of 36666868 is 86866663.

36666868 is an admirable number.

It is a super-3 number, since 3×366668683 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36666863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654738 + ... + 654793.

Almost surely, 236666868 is an apocalyptic number.

It is an amenable number.

36666868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36666868 is a wasteful number, since it uses less digits than its factorization.

36666868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309542 (or 1309540 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 49.

The square root of 36666868 is about 6055.3173327250. The cubic root of 36666868 is about 332.2191058636.

The spelling of 36666868 in words is "thirty-six million, six hundred sixty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 1309531 2619062 5238124 9166717 18333434 36666868