Base | Representation |
---|---|
bin | 10110101010100… |
… | …11011011000101 |
3 | 111020202210202102 |
4 | 23111103123011 |
5 | 342133241312 |
6 | 30511121445 |
7 | 4466053256 |
oct | 1325233305 |
9 | 436683672 |
10 | 190133957 |
11 | 98364502 |
12 | 53813285 |
13 | 30511700 |
14 | 1b374b2d |
15 | 11a5aec2 |
hex | b5536c5 |
190133957 has 6 divisors (see below), whose sum is σ = 205884882. Its totient is φ = 175508112.
The previous prime is 190133929. The next prime is 190133963. The reversal of 190133957 is 759331091.
It can be written as a sum of positive squares in 3 ways, for example, as 410881 + 189723076 = 641^2 + 13774^2 .
It is not a de Polignac number, because 190133957 - 28 = 190133701 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 190133957.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190133987) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 562358 + ... + 562695.
It is an arithmetic number, because the mean of its divisors is an integer number (34314147).
Almost surely, 2190133957 is an apocalyptic number.
It is an amenable number.
190133957 is a deficient number, since it is larger than the sum of its proper divisors (15750925).
190133957 is a wasteful number, since it uses less digits than its factorization.
190133957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1125079 (or 1125066 counting only the distinct ones).
The product of its (nonzero) digits is 25515, while the sum is 38.
The square root of 190133957 is about 13788.9070270272. The cubic root of 190133957 is about 575.0247822967.
The spelling of 190133957 in words is "one hundred ninety million, one hundred thirty-three thousand, nine hundred fifty-seven".
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