Base | Representation |
---|---|
bin | 10000010111000… |
… | …110000010010000 |
3 | 201010111111210100 |
4 | 100113012002100 |
5 | 1030232130423 |
6 | 43123132400 |
7 | 6542056620 |
oct | 2027060220 |
9 | 633444710 |
10 | 274489488 |
11 | 130a40019 |
12 | 77b14100 |
13 | 44b38420 |
14 | 28652880 |
15 | 19170343 |
hex | 105c6090 |
274489488 has 120 divisors (see below), whose sum is σ = 945508928. Its totient is φ = 72389376.
The previous prime is 274489487. The next prime is 274489489. The reversal of 274489488 is 884984472.
It is an interprime number because it is at equal distance from previous prime (274489487) and next prime (274489489).
It is a super-5 number, since 5×2744894885 (a number of 43 digits) contains 55555 as substring.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (274489487) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2631 + ... + 23577.
Almost surely, 2274489488 is an apocalyptic number.
274489488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 274489488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472754464).
274489488 is an abundant number, since it is smaller than the sum of its proper divisors (671019440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
274489488 is a wasteful number, since it uses less digits than its factorization.
274489488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20981 (or 20972 counting only the distinct ones).
The product of its digits is 4128768, while the sum is 54.
The square root of 274489488 is about 16567.7242854895. The cubic root of 274489488 is about 649.8930695895.
The spelling of 274489488 in words is "two hundred seventy-four million, four hundred eighty-nine thousand, four hundred eighty-eight".
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