Base | Representation |
---|---|
bin | 1000010110010… |
… | …00111110000101 |
3 | 11212202211222200 |
4 | 10023020332011 |
5 | 120411413224 |
6 | 10540545113 |
7 | 1510144506 |
oct | 413107605 |
9 | 155684880 |
10 | 70029189 |
11 | 36590a6a |
12 | 1b552199 |
13 | 1167bbb9 |
14 | 942cbad |
15 | 62345c9 |
hex | 42c8f85 |
70029189 has 24 divisors (see below), whose sum is σ = 104314392. Its totient is φ = 45242880.
The previous prime is 70029187. The next prime is 70029233. The reversal of 70029189 is 98192007.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 3932289 + 66096900 = 1983^2 + 8130^2 .
It is not a de Polignac number, because 70029189 - 21 = 70029187 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70029187) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63289 + ... + 64385.
It is an arithmetic number, because the mean of its divisors is an integer number (4346433).
Almost surely, 270029189 is an apocalyptic number.
It is an amenable number.
70029189 is a deficient number, since it is larger than the sum of its proper divisors (34285203).
70029189 is a wasteful number, since it uses less digits than its factorization.
70029189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1317 (or 1314 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 36.
The square root of 70029189 is about 8368.3444599275. The cubic root of 70029189 is about 412.1858059237.
The spelling of 70029189 in words is "seventy million, twenty-nine thousand, one hundred eighty-nine".
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