Base | Representation |
---|---|
bin | 11101010110001… |
… | …010111000001001 |
3 | 1021022110000120200 |
4 | 131112022320021 |
5 | 2002020212420 |
6 | 120504442413 |
7 | 15125625420 |
oct | 3526127011 |
9 | 1238400520 |
10 | 492350985 |
11 | 232a12645 |
12 | 118a79409 |
13 | 7b007659 |
14 | 495642b7 |
15 | 2d356b90 |
hex | 1d58ae09 |
492350985 has 24 divisors (see below), whose sum is σ = 975324480. Its totient is φ = 225074592.
The previous prime is 492350983. The next prime is 492351017. The reversal of 492350985 is 589053294.
492350985 is a `hidden beast` number, since 49 + 23 + 509 + 85 = 666.
It is not a de Polignac number, because 492350985 - 21 = 492350983 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 492350985.
It is not an unprimeable number, because it can be changed into a prime (492350983) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 781195 + ... + 781824.
It is an arithmetic number, because the mean of its divisors is an integer number (40638520).
Almost surely, 2492350985 is an apocalyptic number.
492350985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
492350985 is a deficient number, since it is larger than the sum of its proper divisors (482973495).
492350985 is a wasteful number, since it uses less digits than its factorization.
492350985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1563037 (or 1563034 counting only the distinct ones).
The product of its (nonzero) digits is 388800, while the sum is 45.
The square root of 492350985 is about 22188.9834151995. The cubic root of 492350985 is about 789.6323584467.
The spelling of 492350985 in words is "four hundred ninety-two million, three hundred fifty thousand, nine hundred eighty-five".
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