Base | Representation |
---|---|
bin | 11101001111110… |
… | …111100011101000 |
3 | 1021012100002110110 |
4 | 131033313203220 |
5 | 2001104331414 |
6 | 120405214320 |
7 | 15105605166 |
oct | 3517674350 |
9 | 1235302413 |
10 | 490698984 |
11 | 231a94456 |
12 | 1184013a0 |
13 | 7a879739 |
14 | 49254236 |
15 | 2d12c459 |
hex | 1d3f78e8 |
490698984 has 16 divisors (see below), whose sum is σ = 1226747520. Its totient is φ = 163566320.
The previous prime is 490698983. The next prime is 490699007. The reversal of 490698984 is 489896094.
It is not an unprimeable number, because it can be changed into a prime (490698983) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10222872 + ... + 10222919.
It is an arithmetic number, because the mean of its divisors is an integer number (76671720).
Almost surely, 2490698984 is an apocalyptic number.
It is an amenable number.
490698984 is an abundant number, since it is smaller than the sum of its proper divisors (736048536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
490698984 is a wasteful number, since it uses less digits than its factorization.
490698984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20445800 (or 20445796 counting only the distinct ones).
The product of its (nonzero) digits is 4478976, while the sum is 57.
The square root of 490698984 is about 22151.7264338471. The cubic root of 490698984 is about 788.7482092714.
The spelling of 490698984 in words is "four hundred ninety million, six hundred ninety-eight thousand, nine hundred eighty-four".
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