Base | Representation |
---|---|
bin | 11101001111111… |
… | …001100100110101 |
3 | 1021012100111210201 |
4 | 131033321210311 |
5 | 2001110113003 |
6 | 120405320501 |
7 | 15105641251 |
oct | 3517714465 |
9 | 1235314721 |
10 | 490707253 |
11 | 231a9a693 |
12 | 118406131 |
13 | 7a88042a |
14 | 49257261 |
15 | 2d12eb1d |
hex | 1d3f9935 |
490707253 has 4 divisors (see below), whose sum is σ = 490756288. Its totient is φ = 490658220.
The previous prime is 490707251. The next prime is 490707257. The reversal of 490707253 is 352707094.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 490707253 - 21 = 490707251 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490707251) 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, 3501 + ... + 31522.
It is an arithmetic number, because the mean of its divisors is an integer number (122689072).
Almost surely, 2490707253 is an apocalyptic number.
It is an amenable number.
490707253 is a deficient number, since it is larger than the sum of its proper divisors (49035).
490707253 is a wasteful number, since it uses less digits than its factorization.
490707253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49034.
The product of its (nonzero) digits is 52920, while the sum is 37.
The square root of 490707253 is about 22151.9130776554. The cubic root of 490707253 is about 788.7526397692.
The spelling of 490707253 in words is "four hundred ninety million, seven hundred seven thousand, two hundred fifty-three".
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