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140680080 = 24325195389
BaseRepresentation
bin10000110001010…
…01101110010000
3100210201021210100
420120221232100
5242003230310
621543132400
73325522002
oct1030515620
9323637710
10140680080
1172457032
123b144100
13231b7a68
1414980372
15c53cec0
hex8629b90

140680080 has 60 divisors (see below), whose sum is σ = 472453020. Its totient is φ = 37514496.

The previous prime is 140680037. The next prime is 140680081. The reversal of 140680080 is 80086041.

It can be written as a sum of positive squares in 2 ways, for example, as 111260304 + 29419776 = 10548^2 + 5424^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (140680081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96975 + ... + 98414.

It is an arithmetic number, because the mean of its divisors is an integer number (7874217).

Almost surely, 2140680080 is an apocalyptic number.

140680080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140680080 is an abundant number, since it is smaller than the sum of its proper divisors (331772940).

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

140680080 is a wasteful number, since it uses less digits than its factorization.

140680080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195408 (or 195399 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 140680080 is about 11860.8633749824. The cubic root of 140680080 is about 520.0888408367.

The spelling of 140680080 in words is "one hundred forty million, six hundred eighty thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 195389 390778 586167 781556 976945 1172334 1563112 1758501 1953890 2344668 2930835 3126224 3517002 3907780 4689336 5861670 7034004 7815560 8792505 9378672 11723340 14068008 15631120 17585010 23446680 28136016 35170020 46893360 70340040 140680080