Base | Representation |
---|---|
bin | 11101001101110… |
… | …010010100100001 |
3 | 1021011022100212001 |
4 | 131031302110201 |
5 | 2000434400444 |
6 | 120345404001 |
7 | 15101143135 |
oct | 3515622441 |
9 | 1234270761 |
10 | 490153249 |
11 | 231751433 |
12 | 118199601 |
13 | 7a718211 |
14 | 491513c5 |
15 | 2d0708d4 |
hex | 1d372521 |
490153249 has 8 divisors (see below), whose sum is σ = 493700480. Its totient is φ = 486615600.
The previous prime is 490153247. The next prime is 490153277. The reversal of 490153249 is 942351094.
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 490153249 - 21 = 490153247 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (490153247) 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, 123112 + ... + 127030.
It is an arithmetic number, because the mean of its divisors is an integer number (61712560).
Almost surely, 2490153249 is an apocalyptic number.
It is an amenable number.
490153249 is a deficient number, since it is larger than the sum of its proper divisors (3547231).
490153249 is a wasteful number, since it uses less digits than its factorization.
490153249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4791.
The product of its (nonzero) digits is 38880, while the sum is 37.
The square root of 490153249 is about 22139.4048926343. The cubic root of 490153249 is about 788.4556964873.
The spelling of 490153249 in words is "four hundred ninety million, one hundred fifty-three thousand, two hundred forty-nine".
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