Base | Representation |
---|---|
bin | 11101010000010… |
… | …100010110110111 |
3 | 1021012120002021121 |
4 | 131100110112313 |
5 | 2001122120301 |
6 | 120411524411 |
7 | 15106606132 |
oct | 3520242667 |
9 | 1235502247 |
10 | 490816951 |
11 | 232065049 |
12 | 118459707 |
13 | 7a8bb341 |
14 | 49285219 |
15 | 2d1523a1 |
hex | 1d4145b7 |
490816951 has 8 divisors (see below), whose sum is σ = 504620240. Its totient is φ = 477042048.
The previous prime is 490816943. The next prime is 490816973. The reversal of 490816951 is 159618094.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 490816951 - 23 = 490816943 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 490816898 and 490816907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490816901) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30760 + ... + 43906.
It is an arithmetic number, because the mean of its divisors is an integer number (63077530).
Almost surely, 2490816951 is an apocalyptic number.
490816951 is a deficient number, since it is larger than the sum of its proper divisors (13803289).
490816951 is a wasteful number, since it uses less digits than its factorization.
490816951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14193.
The product of its (nonzero) digits is 77760, while the sum is 43.
The square root of 490816951 is about 22154.3889782589. The cubic root of 490816951 is about 788.8114108184.
The spelling of 490816951 in words is "four hundred ninety million, eight hundred sixteen thousand, nine hundred fifty-one".
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