Base | Representation |
---|---|
bin | 101011111011110… |
… | …1111010111110101 |
3 | 10210202000122000211 |
4 | 1113313233113311 |
5 | 11004400322444 |
6 | 402141505421 |
7 | 51350513626 |
oct | 12767572765 |
9 | 3722018024 |
10 | 1474229749 |
11 | 6971896a3 |
12 | 351872271 |
13 | 1a656b5c5 |
14 | ddb15a4d |
15 | 89658c34 |
hex | 57def5f5 |
1474229749 has 6 divisors (see below), whose sum is σ = 1566050594. Its totient is φ = 1387510080.
The previous prime is 1474229723. The next prime is 1474229773. The reversal of 1474229749 is 9479224741.
It can be written as a sum of positive squares in 3 ways, for example, as 209004849 + 1265224900 = 14457^2 + 35570^2 .
It is not a de Polignac number, because 1474229749 - 27 = 1474229621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1474229249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2550282 + ... + 2550859.
Almost surely, 21474229749 is an apocalyptic number.
It is an amenable number.
1474229749 is a deficient number, since it is larger than the sum of its proper divisors (91820845).
1474229749 is an equidigital number, since it uses as much as digits as its factorization.
1474229749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5101175 (or 5101158 counting only the distinct ones).
The product of its digits is 1016064, while the sum is 49.
The square root of 1474229749 is about 38395.6996159726. The cubic root of 1474229749 is about 1138.1208780331.
The spelling of 1474229749 in words is "one billion, four hundred seventy-four million, two hundred twenty-nine thousand, seven hundred forty-nine".
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