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2116788 = 223419421
BaseRepresentation
bin1000000100110010110100
310222112200120
420010302310
51020214123
6113211540
723664252
oct10046264
93875616
102116788
111216413
12860bb0
1359164b
143d15d2
152bc2e3
hex204cb4

2116788 has 24 divisors (see below), whose sum is σ = 4962720. Its totient is φ = 702240.

The previous prime is 2116783. The next prime is 2116799. The reversal of 2116788 is 8876112.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4818 + ... + 5238.

It is an arithmetic number, because the mean of its divisors is an integer number (206780).

22116788 is an apocalyptic number.

It is an amenable number.

2116788 is an abundant number, since it is smaller than the sum of its proper divisors (2845932).

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

2116788 is a wasteful number, since it uses less digits than its factorization.

2116788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 2116788 is about 1454.9185544215. The cubic root of 2116788 is about 128.3982550398.

The spelling of 2116788 in words is "two million, one hundred sixteen thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 419 421 838 842 1257 1263 1676 1684 2514 2526 5028 5052 176399 352798 529197 705596 1058394 2116788