Base | Representation |
---|---|
bin | 11101000101011… |
… | …011010011110001 |
3 | 1021000012000210210 |
4 | 131011123103301 |
5 | 1444404234331 |
6 | 120230414333 |
7 | 15043415163 |
oct | 3505332361 |
9 | 1230160723 |
10 | 487961841 |
11 | 230494a54 |
12 | 1175013a9 |
13 | 7a12b923 |
14 | 48b40933 |
15 | 2cc8b446 |
hex | 1d15b4f1 |
487961841 has 4 divisors (see below), whose sum is σ = 650615792. Its totient is φ = 325307892.
The previous prime is 487961797. The next prime is 487961879. The reversal of 487961841 is 148169784.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 487961841 - 26 = 487961777 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (487961041) 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, 81326971 + ... + 81326976.
It is an arithmetic number, because the mean of its divisors is an integer number (162653948).
Almost surely, 2487961841 is an apocalyptic number.
It is an amenable number.
487961841 is a deficient number, since it is larger than the sum of its proper divisors (162653951).
487961841 is a wasteful number, since it uses less digits than its factorization.
487961841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162653950.
The product of its digits is 387072, while the sum is 48.
The square root of 487961841 is about 22089.8583291066. The cubic root of 487961841 is about 787.2789152118.
The spelling of 487961841 in words is "four hundred eighty-seven million, nine hundred sixty-one thousand, eight hundred forty-one".
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