Base | Representation |
---|---|
bin | 10110101010011… |
… | …00110001010101 |
3 | 111020201102101020 |
4 | 23111030301111 |
5 | 342131403314 |
6 | 30510351353 |
7 | 4465610652 |
oct | 1325146125 |
9 | 436642336 |
10 | 190106709 |
11 | 98345a91 |
12 | 537bb559 |
13 | 305021a0 |
14 | 1b368c29 |
15 | 11a52da9 |
hex | b54cc55 |
190106709 has 16 divisors (see below), whose sum is σ = 279633984. Its totient is φ = 114134400.
The previous prime is 190106701. The next prime is 190106717. The reversal of 190106709 is 907601091.
190106709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (190106701) and next prime (190106717).
It is not a de Polignac number, because 190106709 - 23 = 190106701 is a prime.
It is a super-2 number, since 2×1901067092 = 72281121613621362, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 190106709.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190106701) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57847 + ... + 61044.
It is an arithmetic number, because the mean of its divisors is an integer number (17477124).
Almost surely, 2190106709 is an apocalyptic number.
It is an amenable number.
190106709 is a deficient number, since it is larger than the sum of its proper divisors (89527275).
190106709 is a wasteful number, since it uses less digits than its factorization.
190106709 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118948.
The product of its (nonzero) digits is 3402, while the sum is 33.
The square root of 190106709 is about 13787.9189510238. The cubic root of 190106709 is about 574.9973121487.
The spelling of 190106709 in words is "one hundred ninety million, one hundred six thousand, seven hundred nine".
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