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116820054 = 232131792789
BaseRepresentation
bin1101111011010…
…00100001010110
322010211001222200
412331220201112
5214401220204
615331505330
72615645151
oct675504126
9263731880
10116820054
115aa3a6aa
1233158246
131b2826c0
141172cc98
15a3c8539
hex6f68856

116820054 has 48 divisors (see below), whose sum is σ = 274201200. Its totient is φ = 35731008.

The previous prime is 116820049. The next prime is 116820079. The reversal of 116820054 is 450028611.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40492 + ... + 43280.

It is an arithmetic number, because the mean of its divisors is an integer number (5712525).

Almost surely, 2116820054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116820054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137100600).

116820054 is an abundant number, since it is smaller than the sum of its proper divisors (157381146).

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

116820054 is a wasteful number, since it uses less digits than its factorization.

116820054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 116820054 is about 10808.3326188640. The cubic root of 116820054 is about 488.8464520978.

Adding to 116820054 its reverse (450028611), we get a palindrome (566848665).

The spelling of 116820054 in words is "one hundred sixteen million, eight hundred twenty thousand, fifty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 179 234 358 537 1074 1611 2327 2789 3222 4654 5578 6981 8367 13962 16734 20943 25101 36257 41886 50202 72514 108771 217542 326313 499231 652626 998462 1497693 2995386 4493079 6490003 8986158 12980006 19470009 38940018 58410027 116820054