Base | Representation |
---|---|
bin | 100100111110000… |
… | …110010001100001 |
3 | 1121020010101120101 |
4 | 210332012101201 |
5 | 2232241232101 |
6 | 141314142401 |
7 | 21241052350 |
oct | 4476062141 |
9 | 1536111511 |
10 | 620258401 |
11 | 299135354 |
12 | 153881a01 |
13 | 9b66c809 |
14 | 5c53b997 |
15 | 396c0401 |
hex | 24f86461 |
620258401 has 8 divisors (see below), whose sum is σ = 746175680. Its totient is φ = 503668368.
The previous prime is 620258381. The next prime is 620258423. The reversal of 620258401 is 104852026.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 620258401 - 25 = 620258369 is a prime.
It is a super-2 number, since 2×6202584012 = 769440968022153602, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 620258401.
It is not an unprimeable number, because it can be changed into a prime (620258501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331666 + ... + 2331931.
It is an arithmetic number, because the mean of its divisors is an integer number (93271960).
Almost surely, 2620258401 is an apocalyptic number.
It is an amenable number.
620258401 is a deficient number, since it is larger than the sum of its proper divisors (125917279).
620258401 is a wasteful number, since it uses less digits than its factorization.
620258401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4663623.
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 620258401 is about 24904.9874723920. The cubic root of 620258401 is about 852.8203437151.
The spelling of 620258401 in words is "six hundred twenty million, two hundred fifty-eight thousand, four hundred one".
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