Base | Representation |
---|---|
bin | 111001111011111… |
… | …110010101100101 |
3 | 2111202000220002002 |
4 | 321323332111211 |
5 | 3442314220031 |
6 | 240241455045 |
7 | 33042026465 |
oct | 7173762545 |
9 | 2452026062 |
10 | 972023141 |
11 | 459755411 |
12 | 231641485 |
13 | 1264c302b |
14 | 93147ba5 |
15 | 5a506ccb |
hex | 39efe565 |
972023141 has 2 divisors, whose sum is σ = 972023142. Its totient is φ = 972023140.
The previous prime is 972023119. The next prime is 972023153. The reversal of 972023141 is 141320279.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 631768225 + 340254916 = 25135^2 + 18446^2 .
It is a cyclic number.
It is not a de Polignac number, because 972023141 - 218 = 971760997 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (972023111) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486011570 + 486011571.
It is an arithmetic number, because the mean of its divisors is an integer number (486011571).
Almost surely, 2972023141 is an apocalyptic number.
It is an amenable number.
972023141 is a deficient number, since it is larger than the sum of its proper divisors (1).
972023141 is an equidigital number, since it uses as much as digits as its factorization.
972023141 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 972023141 is about 31177.2856579915. The cubic root of 972023141 is about 990.5860357067.
The spelling of 972023141 in words is "nine hundred seventy-two million, twenty-three thousand, one hundred forty-one".
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