Base | Representation |
---|---|
bin | 11101010000000… |
… | …111111111010010 |
3 | 1021012110111210021 |
4 | 131100013333102 |
5 | 2001114010130 |
6 | 120410454054 |
7 | 15106305340 |
oct | 3520077722 |
9 | 1235414707 |
10 | 490766290 |
11 | 23202aa83 |
12 | 11843432a |
13 | 7a8a1271 |
14 | 49270990 |
15 | 2d14237a |
hex | 1d407fd2 |
490766290 has 64 divisors (see below), whose sum is σ = 1031097600. Its totient is φ = 164710656.
The previous prime is 490766281. The next prime is 490766293. The reversal of 490766290 is 92667094.
It is not an unprimeable number, because it can be changed into a prime (490766293) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1261416 + ... + 1261804.
It is an arithmetic number, because the mean of its divisors is an integer number (16110900).
Almost surely, 2490766290 is an apocalyptic number.
490766290 is an abundant number, since it is smaller than the sum of its proper divisors (540331310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490766290 is a wasteful number, since it uses less digits than its factorization.
490766290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739.
The product of its (nonzero) digits is 163296, while the sum is 43.
The square root of 490766290 is about 22153.2455861438. The cubic root of 490766290 is about 788.7842701164.
The spelling of 490766290 in words is "four hundred ninety million, seven hundred sixty-six thousand, two hundred ninety".
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