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474934849 = 192312372
BaseRepresentation
bin11100010011101…
…110111001000001
31020002200012010121
4130103232321001
51433040403344
6115043300241
714524610464
oct3423567101
91202605117
10474934849
112240a7644
1211307a681
137751a34c
144710d2db
152ba66684
hex1c4eee41

474934849 has 27 divisors (see below), whose sum is σ = 532314531. Its totient is φ = 423655920.

The previous prime is 474934799. The next prime is 474934853. The reversal of 474934849 is 948439474.

The square root of 474934849 is 21793.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 424978225 + 49956624 = 20615^2 + 7068^2 .

It is not a de Polignac number, because 474934849 - 215 = 474902081 is a prime.

It is a super-2 number, since 2×4749348492 = 451126221589305602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 474934796 and 474934805.

It is not an unprimeable number, because it can be changed into a prime (474934949) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12836059 + ... + 12836095.

It is an arithmetic number, because the mean of its divisors is an integer number (19715353).

Almost surely, 2474934849 is an apocalyptic number.

474934849 is the 21793-rd square number.

474934849 is the 10897-th centered octagonal number.

It is an amenable number.

474934849 is a deficient number, since it is larger than the sum of its proper divisors (57379682).

474934849 is an equidigital number, since it uses as much as digits as its factorization.

474934849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 87 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The cubic root of 474934849 is about 780.2097009043.

The spelling of 474934849 in words is "four hundred seventy-four million, nine hundred thirty-four thousand, eight hundred forty-nine".

Divisors: 1 19 31 37 361 589 703 961 1147 1369 11191 13357 18259 21793 26011 35557 42439 346921 414067 494209 675583 806341 1315609 12836077 15320479 24996571 474934849