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116994780 = 22355719181
BaseRepresentation
bin1101111100100…
…11001011011100
322011010221200000
412332103023130
5214422313110
615335334300
72620303440
oct676231334
9264127600
10116994780
1160049a01
1233221390
131b3140a6
1411776820
15a4101c0
hex6f932dc

116994780 has 288 divisors, whose sum is σ = 445186560. Its totient is φ = 25194240.

The previous prime is 116994769. The next prime is 116994803. The reversal of 116994780 is 87499611.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 646290 + ... + 646470.

Almost surely, 2116994780 is an apocalyptic number.

116994780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116994780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222593280).

116994780 is an abundant number, since it is smaller than the sum of its proper divisors (328191780).

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

116994780 is a wasteful number, since it uses less digits than its factorization.

116994780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 116994780 is about 10816.4125291152. The cubic root of 116994780 is about 489.0900507876.

The spelling of 116994780 in words is "one hundred sixteen million, nine hundred ninety-four thousand, seven hundred eighty".