Base | Representation |
---|---|
bin | 100101010100111… |
… | …110011000101001 |
3 | 1121122102001220111 |
4 | 211110332120221 |
5 | 2240310133101 |
6 | 142050454321 |
7 | 21343040332 |
oct | 4524763051 |
9 | 1548361814 |
10 | 626255401 |
11 | 2a1560a52 |
12 | 1558943a1 |
13 | 9c98c335 |
14 | 5d25d289 |
15 | 39ea7251 |
hex | 2553e629 |
626255401 has 8 divisors (see below), whose sum is σ = 677203200. Its totient is φ = 576875328.
The previous prime is 626255389. The next prime is 626255407. The reversal of 626255401 is 104552626.
626255401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-626255401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (626255407) 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, 391101 + ... + 392698.
It is an arithmetic number, because the mean of its divisors is an integer number (84650400).
Almost surely, 2626255401 is an apocalyptic number.
It is an amenable number.
626255401 is a deficient number, since it is larger than the sum of its proper divisors (50947799).
626255401 is a wasteful number, since it uses less digits than its factorization.
626255401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 783863.
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 626255401 is about 25025.0954243935. The cubic root of 626255401 is about 855.5600452836.
The spelling of 626255401 in words is "six hundred twenty-six million, two hundred fifty-five thousand, four hundred one".
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