Base | Representation |
---|---|
bin | 101011111100111… |
… | …1000010000001001 |
3 | 10210210002010010000 |
4 | 1113321320100021 |
5 | 11010021243114 |
6 | 402201513213 |
7 | 51355340331 |
oct | 12771702011 |
9 | 3723063100 |
10 | 1474790409 |
11 | 697531954 |
12 | 351aa2809 |
13 | 1a6706861 |
14 | ddc200c1 |
15 | 89719e09 |
hex | 57e78409 |
1474790409 has 45 divisors (see below), whose sum is σ = 2349659191. Its totient is φ = 921672000.
The previous prime is 1474790371. The next prime is 1474790411. The reversal of 1474790409 is 9040974741.
The square root of 1474790409 is 38403.
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., 1148193225 + 326597184 = 33885^2 + 18072^2 .
It is not a de Polignac number, because 1474790409 - 27 = 1474790281 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1474790489) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5875534 + ... + 5875784.
Almost surely, 21474790409 is an apocalyptic number.
1474790409 is the 38403-rd square number.
1474790409 is the 19202-nd centered octagonal number.
It is an amenable number.
1474790409 is a deficient number, since it is larger than the sum of its proper divisors (874868782).
1474790409 is an frugal number, since it uses more digits than its factorization.
1474790409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 548 (or 271 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The cubic root of 1474790409 is about 1138.2651382200.
Multiplying 1474790409 by its product of nonzero digits (254016), we get a square (374620360532544 = 193551122).
The spelling of 1474790409 in words is "one billion, four hundred seventy-four million, seven hundred ninety thousand, four hundred nine".
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