Base | Representation |
---|---|
bin | 10010010000110… |
… | …10110100110011 |
3 | 101200021110121002 |
4 | 21020122310303 |
5 | 303204430341 |
6 | 23111352215 |
7 | 3540123656 |
oct | 1110326463 |
9 | 350243532 |
10 | 153201971 |
11 | 795299aa |
12 | 4338266b |
13 | 25980470 |
14 | 164bd89d |
15 | d6b329b |
hex | 921ad33 |
153201971 has 8 divisors (see below), whose sum is σ = 165617760. Its totient is φ = 140876352.
The previous prime is 153201947. The next prime is 153202009. The reversal of 153201971 is 179102351.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-153201971 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (153201901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18986 + ... + 25823.
It is an arithmetic number, because the mean of its divisors is an integer number (20702220).
Almost surely, 2153201971 is an apocalyptic number.
153201971 is a deficient number, since it is larger than the sum of its proper divisors (12415789).
153201971 is a wasteful number, since it uses less digits than its factorization.
153201971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45085.
The product of its (nonzero) digits is 1890, while the sum is 29.
The square root of 153201971 is about 12377.4783780865. The cubic root of 153201971 is about 535.0833666343.
The spelling of 153201971 in words is "one hundred fifty-three million, two hundred one thousand, nine hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •