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70086000 = 2435311681
BaseRepresentation
bin1000010110101…
…10110101110000
311212212201220210
410023112311300
5120420223000
610542104120
71510502235
oct413266560
9155781823
1070086000
113661a716
121b57b040
131169ba0a
14944578c
156246350
hex42d6d70

70086000 has 80 divisors (see below), whose sum is σ = 225976608. Its totient is φ = 18688000.

The previous prime is 70085993. The next prime is 70086007. The reversal of 70086000 is 68007.

It is an interprime number because it is at equal distance from previous prime (70085993) and next prime (70086007).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70086007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160 + ... + 11840.

Almost surely, 270086000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70086000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112988304).

70086000 is an abundant number, since it is smaller than the sum of its proper divisors (155890608).

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

70086000 is a wasteful number, since it uses less digits than its factorization.

70086000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11707 (or 11691 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 70086000 is about 8371.7381707743. The cubic root of 70086000 is about 412.2972373556.

The spelling of 70086000 in words is "seventy million, eighty-six thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 11681 23362 35043 46724 58405 70086 93448 116810 140172 175215 186896 233620 280344 292025 350430 467240 560688 584050 700860 876075 934480 1168100 1401720 1460125 1752150 2336200 2803440 2920250 3504300 4380375 4672400 5840500 7008600 8760750 11681000 14017200 17521500 23362000 35043000 70086000