Base | Representation |
---|---|
bin | 11000010011111… |
… | …110010101011001 |
3 | 1001102111220211221 |
4 | 120103332111121 |
5 | 1313404423431 |
6 | 104250252041 |
7 | 13052000314 |
oct | 3023762531 |
9 | 1042456757 |
10 | 407889241 |
11 | 19a274251 |
12 | b4727021 |
13 | 666744a6 |
14 | 3c25997b |
15 | 25c21111 |
hex | 184fe559 |
407889241 has 4 divisors (see below), whose sum is σ = 408142800. Its totient is φ = 407635684.
The previous prime is 407889217. The next prime is 407889253. The reversal of 407889241 is 142988704.
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 a cyclic number.
It is not a de Polignac number, because 407889241 - 221 = 405792089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (407889281) 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, 124351 + ... + 127588.
It is an arithmetic number, because the mean of its divisors is an integer number (102035700).
Almost surely, 2407889241 is an apocalyptic number.
It is an amenable number.
407889241 is a deficient number, since it is larger than the sum of its proper divisors (253559).
407889241 is a wasteful number, since it uses less digits than its factorization.
407889241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253558.
The product of its (nonzero) digits is 129024, while the sum is 43.
The square root of 407889241 is about 20196.2679968355. The cubic root of 407889241 is about 741.6188330777.
The spelling of 407889241 in words is "four hundred seven million, eight hundred eighty-nine thousand, two hundred forty-one".
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