Search a number
BaseRepresentation
bin11100001101111…
…010011111100101
31012222210200202112
4130031322133211
51432143101014
6114550450405
714505625436
oct3415723745
91188720675
10473409509
11223255631
12112663a05
1377104c91
1446c3348d
152b86473e
hex1c37a7e5

473409509 has 2 divisors, whose sum is σ = 473409510. Its totient is φ = 473409508.

The previous prime is 473409481. The next prime is 473409511. The reversal of 473409509 is 905904374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472192900 + 1216609 = 21730^2 + 1103^2 .

It is a cyclic number.

It is not a de Polignac number, because 473409509 - 216 = 473343973 is a prime.

Together with 473409511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473409809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236704754 + 236704755.

It is an arithmetic number, because the mean of its divisors is an integer number (236704755).

Almost surely, 2473409509 is an apocalyptic number.

It is an amenable number.

473409509 is a deficient number, since it is larger than the sum of its proper divisors (1).

473409509 is an equidigital number, since it uses as much as digits as its factorization.

473409509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 473409509 is about 21757.9757560302. The cubic root of 473409509 is about 779.3735431279.

The spelling of 473409509 in words is "four hundred seventy-three million, four hundred nine thousand, five hundred nine".