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70870463 = 83883967
BaseRepresentation
bin1000011100101…
…10010110111111
311221100120222222
410032112112333
5121120323323
611010555555
71520250266
oct416262677
9157316888
1070870463
1137006034
121b898bbb
13118b4ab1
1495ab5dd
15634d9c8
hex43965bf

70870463 has 8 divisors (see below), whose sum is σ = 71879808. Its totient is φ = 69864984.

The previous prime is 70870453. The next prime is 70870483. The reversal of 70870463 is 36407807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70870463 - 24 = 70870447 is a prime.

It is a super-3 number, since 3×708704633 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70870453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72806 + ... + 73772.

It is an arithmetic number, because the mean of its divisors is an integer number (8984976).

Almost surely, 270870463 is an apocalyptic number.

70870463 is a deficient number, since it is larger than the sum of its proper divisors (1009345).

70870463 is an equidigital number, since it uses as much as digits as its factorization.

70870463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 70870463 is about 8418.4596572057. The cubic root of 70870463 is about 413.8297957650.

The spelling of 70870463 in words is "seventy million, eight hundred seventy thousand, four hundred sixty-three".

Divisors: 1 83 883 967 73289 80261 853861 70870463