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116720394 = 23731157571
BaseRepresentation
bin1101111010100…
…00001100001010
322010122000021120
412331100030022
5214340023034
615325420110
72615051460
oct675201412
9263560246
10116720394
115a98183a
123310a636
131b24922b
1411704830
15a3a8c49
hex6f5030a

116720394 has 64 divisors (see below), whose sum is σ = 277635072. Its totient is φ = 32011200.

The previous prime is 116720393. The next prime is 116720407. The reversal of 116720394 is 493027611.

It is not an unprimeable number, because it can be changed into a prime (116720393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204129 + ... + 204699.

It is an arithmetic number, because the mean of its divisors is an integer number (4338048).

Almost surely, 2116720394 is an apocalyptic number.

116720394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 116720394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138817536).

116720394 is an abundant number, since it is smaller than the sum of its proper divisors (160914678).

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

116720394 is a wasteful number, since it uses less digits than its factorization.

116720394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 116720394 is about 10803.7213033288. The cubic root of 116720394 is about 488.7073997795.

The spelling of 116720394 in words is "one hundred sixteen million, seven hundred twenty thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 31 42 62 93 157 186 217 314 434 471 571 651 942 1099 1142 1302 1713 2198 3297 3426 3997 4867 6594 7994 9734 11991 14601 17701 23982 29202 34069 35402 53103 68138 89647 102207 106206 123907 179294 204414 247814 268941 371721 537882 627529 743442 1255058 1882587 2779057 3765174 5558114 8337171 16674342 19453399 38906798 58360197 116720394