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20827368 = 233432141
BaseRepresentation
bin100111101110…
…0110011101000
31110012010210000
41033130303220
520312433433
62022223000
7342013122
oct117346350
943163700
1020827368
1110835a01
126b84a60
134412bb3
142aa2212
151c66113
hex13dcce8

20827368 has 40 divisors (see below), whose sum is σ = 58337730. Its totient is φ = 6942240.

The previous prime is 20827349. The next prime is 20827403. The reversal of 20827368 is 86372802.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11573604 + 9253764 = 3402^2 + 3042^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15423 + ... + 16718.

Almost surely, 220827368 is an apocalyptic number.

It is an amenable number.

20827368 is an abundant number, since it is smaller than the sum of its proper divisors (37510362).

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

20827368 is a wasteful number, since it uses less digits than its factorization.

20827368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32159 (or 32146 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 20827368 is about 4563.7011295658. The cubic root of 20827368 is about 275.1343387719.

The spelling of 20827368 in words is "twenty million, eight hundred twenty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 32141 64282 96423 128564 192846 257128 289269 385692 578538 771384 867807 1157076 1735614 2314152 2603421 3471228 5206842 6942456 10413684 20827368