Base | Representation |
---|---|
bin | 1000010110010… |
… | …01001101110111 |
3 | 11212202220101002 |
4 | 10023021031313 |
5 | 120411431244 |
6 | 10540553515 |
7 | 1510150451 |
oct | 413111567 |
9 | 155686332 |
10 | 70030199 |
11 | 365917a8 |
12 | 1b55289b |
13 | 1167c4b5 |
14 | 942d2d1 |
15 | 6234a4e |
hex | 42c9377 |
70030199 has 4 divisors (see below), whose sum is σ = 70095480. Its totient is φ = 69964920.
The previous prime is 70030189. The next prime is 70030201. The reversal of 70030199 is 99103007.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99103007 = 71 ⋅1395817.
It is a cyclic number.
It is not a de Polignac number, because 70030199 - 28 = 70029943 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70030189) 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, 31004 + ... + 33185.
It is an arithmetic number, because the mean of its divisors is an integer number (17523870).
Almost surely, 270030199 is an apocalyptic number.
70030199 is a deficient number, since it is larger than the sum of its proper divisors (65281).
70030199 is a wasteful number, since it uses less digits than its factorization.
70030199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65280.
The product of its (nonzero) digits is 1701, while the sum is 29.
The square root of 70030199 is about 8368.4048061742. The cubic root of 70030199 is about 412.1877875053.
The spelling of 70030199 in words is "seventy million, thirty thousand, one hundred ninety-nine".
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