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70885000 = 235414177
BaseRepresentation
bin1000011100110…
…01111010001000
311221101022221101
410032121322020
5121121310000
611011151144
71520340544
oct416317210
9157338841
1070885000
1137015a4a
121b8a54b4
13118bb5b4
1495b2a24
156352e6a
hex4399e88

70885000 has 40 divisors (see below), whose sum is σ = 166095270. Its totient is φ = 28352000.

The previous prime is 70884959. The next prime is 70885021. The reversal of 70885000 is 58807.

It can be written as a sum of positive squares in 5 ways, for example, as 14424804 + 56460196 = 3798^2 + 7514^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 70885000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2089 + ... + 12088.

Almost surely, 270885000 is an apocalyptic number.

It is an amenable number.

70885000 is an abundant number, since it is smaller than the sum of its proper divisors (95210270).

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

70885000 is a wasteful number, since it uses less digits than its factorization.

70885000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14203 (or 14184 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 70885000 is about 8419.3230131644. The cubic root of 70885000 is about 413.8580888517.

The spelling of 70885000 in words is "seventy million, eight hundred eighty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 14177 28354 56708 70885 113416 141770 283540 354425 567080 708850 1417700 1772125 2835400 3544250 7088500 8860625 14177000 17721250 35442500 70885000