Base | Representation |
---|---|
bin | 11101101010110… |
… | …010000100001101 |
3 | 1021200121112122110 |
4 | 131222302010031 |
5 | 2004411120011 |
6 | 121220334233 |
7 | 15222561645 |
oct | 3552620415 |
9 | 1250545573 |
10 | 497754381 |
11 | 235a73263 |
12 | 11a844379 |
13 | 7c179c27 |
14 | 4a16d525 |
15 | 2da72ba6 |
hex | 1dab210d |
497754381 has 12 divisors (see below), whose sum is σ = 700442592. Its totient is φ = 314370504.
The previous prime is 497754371. The next prime is 497754461. The reversal of 497754381 is 183457794.
It is a happy number.
It is not a de Polignac number, because 497754381 - 25 = 497754349 is a prime.
It is a super-2 number, since 2×4977543812 = 495518847609386322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 497754381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (497754311) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228721 + ... + 230886.
It is an arithmetic number, because the mean of its divisors is an integer number (58370216).
Almost surely, 2497754381 is an apocalyptic number.
It is an amenable number.
497754381 is a deficient number, since it is larger than the sum of its proper divisors (202688211).
497754381 is a wasteful number, since it uses less digits than its factorization.
497754381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459648 (or 459629 counting only the distinct ones).
The product of its digits is 846720, while the sum is 48.
The square root of 497754381 is about 22310.4097004067. The cubic root of 497754381 is about 792.5105099994.
The spelling of 497754381 in words is "four hundred ninety-seven million, seven hundred fifty-four thousand, three hundred eighty-one".
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