Base | Representation |
---|---|
bin | 11101001101101… |
… | …010110011001100 |
3 | 1021011020210121010 |
4 | 131031222303030 |
5 | 2000432404234 |
6 | 120345005220 |
7 | 15100654260 |
oct | 3515526314 |
9 | 1234223533 |
10 | 490122444 |
11 | 231730279 |
12 | 118183810 |
13 | 7a7071a6 |
14 | 491440a0 |
15 | 2d0666e9 |
hex | 1d36accc |
490122444 has 96 divisors (see below), whose sum is σ = 1393652736. Its totient is φ = 130867200.
The previous prime is 490122403. The next prime is 490122463. The reversal of 490122444 is 444221094.
It is a super-2 number, since 2×4901224442 = 480440020225066272, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214492 + ... + 216764.
It is an arithmetic number, because the mean of its divisors is an integer number (14517216).
Almost surely, 2490122444 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 490122444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696826368).
490122444 is an abundant number, since it is smaller than the sum of its proper divisors (903530292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490122444 is a wasteful number, since it uses less digits than its factorization.
490122444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2455 (or 2453 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 490122444 is about 22138.7091764628. The cubic root of 490122444 is about 788.4391786012.
The spelling of 490122444 in words is "four hundred ninety million, one hundred twenty-two thousand, four hundred forty-four".
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