Base | Representation |
---|---|
bin | 11101001101110… |
… | …001011101110000 |
3 | 1021011022012001020 |
4 | 131031301131300 |
5 | 2000434242434 |
6 | 120345335440 |
7 | 15101130000 |
oct | 3515613560 |
9 | 1234265036 |
10 | 490149744 |
11 | 231749837 |
12 | 118197580 |
13 | 7a716746 |
14 | 49150000 |
15 | 2d06e849 |
hex | 1d371770 |
490149744 has 100 divisors (see below), whose sum is σ = 1477516296. Its totient is φ = 140009856.
The previous prime is 490149721. The next prime is 490149799. The reversal of 490149744 is 447941094.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 490149696 and 490149705.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113122 + ... + 117374.
Almost surely, 2490149744 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 490149744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738758148).
490149744 is an abundant number, since it is smaller than the sum of its proper divisors (987366552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490149744 is an equidigital number, since it uses as much as digits as its factorization.
490149744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4292 (or 4265 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 490149744 is about 22139.3257349902. The cubic root of 490149744 is about 788.4538171133.
It can be divided in two parts, 4901 and 49744, that added together give a palindrome (54645).
The spelling of 490149744 in words is "four hundred ninety million, one hundred forty-nine thousand, seven hundred forty-four".
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