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110969680 = 2451387121
BaseRepresentation
bin1101001110101…
…00001101010000
321201210211210011
412213110031100
5211402012210
615002244304
72515140523
oct647241520
9251724704
10110969680
1157704188
12311b6694
1319cb4843
1410a48bba
159b1ed8a
hex69d4350

110969680 has 20 divisors (see below), whose sum is σ = 258004692. Its totient is φ = 44387840.

The previous prime is 110969647. The next prime is 110969699. The reversal of 110969680 is 86969011.

It can be written as a sum of positive squares in 2 ways, for example, as 42146064 + 68823616 = 6492^2 + 8296^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693481 + ... + 693640.

Almost surely, 2110969680 is an apocalyptic number.

110969680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110969680 is an abundant number, since it is smaller than the sum of its proper divisors (147035012).

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

110969680 is a wasteful number, since it uses less digits than its factorization.

110969680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387134 (or 1387128 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 110969680 is about 10534.2147310561. The cubic root of 110969680 is about 480.5457912017.

The spelling of 110969680 in words is "one hundred ten million, nine hundred sixty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1387121 2774242 5548484 6935605 11096968 13871210 22193936 27742420 55484840 110969680