Base | Representation |
---|---|
bin | 11101101000110… |
… | …000010011100000 |
3 | 1021122121112120020 |
4 | 131220300103200 |
5 | 2004242113010 |
6 | 121201113440 |
7 | 15215216250 |
oct | 3550602340 |
9 | 1248545506 |
10 | 497222880 |
11 | 23573aa00 |
12 | 11a628880 |
13 | 7c02202b |
14 | 4a071960 |
15 | 2d9ba470 |
hex | 1da304e0 |
497222880 has 288 divisors, whose sum is σ = 1969132032. Its totient is φ = 103234560.
The previous prime is 497222833. The next prime is 497222881. The reversal of 497222880 is 88222794.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (497222881) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405949 + ... + 407171.
It is an arithmetic number, because the mean of its divisors is an integer number (6837264).
Almost surely, 2497222880 is an apocalyptic number.
497222880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 497222880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984566016).
497222880 is an abundant number, since it is smaller than the sum of its proper divisors (1471909152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
497222880 is a wasteful number, since it uses less digits than its factorization.
497222880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1270 (or 1251 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 42.
The square root of 497222880 is about 22298.4950164804. The cubic root of 497222880 is about 792.2283292293.
The spelling of 497222880 in words is "four hundred ninety-seven million, two hundred twenty-two thousand, eight hundred eighty".
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