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70031166 = 2311671861
BaseRepresentation
bin1000010110010…
…01011100111110
311212202221200220
410023021130332
5120411444131
610541002210
71510153332
oct413113476
9155687626
1070031166
11365924a7
121b553366
131167ca7a
14942d7c2
156234e96
hex42c973e

70031166 has 8 divisors (see below), whose sum is σ = 140062344. Its totient is φ = 23343720.

The previous prime is 70031161. The next prime is 70031231. The reversal of 70031166 is 66113007.

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

70031166 is an admirable number.

It is a super-2 number, since 2×700311662 = 9808728422639112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70031161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5835925 + ... + 5835936.

It is an arithmetic number, because the mean of its divisors is an integer number (17507793).

Almost surely, 270031166 is an apocalyptic number.

70031166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70031166 is a wasteful number, since it uses less digits than its factorization.

70031166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11671866.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 70031166 is about 8368.4625828165. The cubic root of 70031166 is about 412.1896847047.

The spelling of 70031166 in words is "seventy million, thirty-one thousand, one hundred sixty-six".

Divisors: 1 2 3 6 11671861 23343722 35015583 70031166