Base | Representation |
---|---|
bin | 11101010000100… |
… | …110011011001011 |
3 | 1021012200211210111 |
4 | 131100212123023 |
5 | 2001132002310 |
6 | 120413255151 |
7 | 15110334652 |
oct | 3520463313 |
9 | 1235624714 |
10 | 490890955 |
11 | 232105705 |
12 | 1184944b7 |
13 | 7a915c29 |
14 | 492a4199 |
15 | 2d16928a |
hex | 1d4266cb |
490890955 has 8 divisors (see below), whose sum is σ = 614680992. Its totient is φ = 375638208.
The previous prime is 490890949. The next prime is 490890971. The reversal of 490890955 is 559098094.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 490890955 - 25 = 490890923 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 490890899 and 490890908.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2134194 + ... + 2134423.
It is an arithmetic number, because the mean of its divisors is an integer number (76835124).
Almost surely, 2490890955 is an apocalyptic number.
490890955 is a deficient number, since it is larger than the sum of its proper divisors (123790037).
490890955 is a wasteful number, since it uses less digits than its factorization.
490890955 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4268645.
The product of its (nonzero) digits is 583200, while the sum is 49.
The square root of 490890955 is about 22156.0591035500. The cubic root of 490890955 is about 788.8510537484.
The spelling of 490890955 in words is "four hundred ninety million, eight hundred ninety thousand, nine hundred fifty-five".
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