Base | Representation |
---|---|
bin | 11101010000110… |
… | …000101110110011 |
3 | 1021012202222201001 |
4 | 131100300232303 |
5 | 2001134330141 |
6 | 120414222431 |
7 | 15110602021 |
oct | 3520605663 |
9 | 1235688631 |
10 | 490933171 |
11 | 2321343a3 |
12 | 1184b4a17 |
13 | 7a92c201 |
14 | 492b5711 |
15 | 2d176a31 |
hex | 1d430bb3 |
490933171 has 8 divisors (see below), whose sum is σ = 493749360. Its totient is φ = 488125728.
The previous prime is 490933169. The next prime is 490933181. The reversal of 490933171 is 171339094.
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 490933171 - 21 = 490933169 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 490933171.
It is not an unprimeable number, because it can be changed into a prime (490933151) 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, 133165 + ... + 136801.
It is an arithmetic number, because the mean of its divisors is an integer number (61718670).
Almost surely, 2490933171 is an apocalyptic number.
490933171 is a deficient number, since it is larger than the sum of its proper divisors (2816189).
490933171 is a wasteful number, since it uses less digits than its factorization.
490933171 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4373.
The product of its (nonzero) digits is 20412, while the sum is 37.
The square root of 490933171 is about 22157.0117795699. The cubic root of 490933171 is about 788.8736664971.
It can be divided in two parts, 490 and 933171, that added together give a triangular number (933661 = T1366).
The spelling of 490933171 in words is "four hundred ninety million, nine hundred thirty-three thousand, one hundred seventy-one".
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