Base | Representation |
---|---|
bin | 10010010101100… |
… | …001111110000101 |
3 | 210102212102120211 |
4 | 102111201332011 |
5 | 1112223242203 |
6 | 50305355421 |
7 | 10423563166 |
oct | 2225417605 |
9 | 712772524 |
10 | 307634053 |
11 | 148719021 |
12 | 87038b71 |
13 | 4b9717ac |
14 | 2cbdd76d |
15 | 1c01ac6d |
hex | 12561f85 |
307634053 has 4 divisors (see below), whose sum is σ = 307673100. Its totient is φ = 307595008.
The previous prime is 307634017. The next prime is 307634069. The reversal of 307634053 is 350436703.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 350436703 = 19 ⋅18444037.
It can be written as a sum of positive squares in 2 ways, for example, as 5673924 + 301960129 = 2382^2 + 17377^2 .
It is a cyclic number.
It is not a de Polignac number, because 307634053 - 213 = 307625861 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 (307634003) 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, 3100 + ... + 24997.
It is an arithmetic number, because the mean of its divisors is an integer number (76918275).
Almost surely, 2307634053 is an apocalyptic number.
It is an amenable number.
307634053 is a deficient number, since it is larger than the sum of its proper divisors (39047).
307634053 is a wasteful number, since it uses less digits than its factorization.
307634053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39046.
The product of its (nonzero) digits is 22680, while the sum is 31.
The square root of 307634053 is about 17539.4997933236. The cubic root of 307634053 is about 675.0637730327.
The spelling of 307634053 in words is "three hundred seven million, six hundred thirty-four thousand, fifty-three".
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