Base | Representation |
---|---|
bin | 101111110001101… |
… | …111110100000111 |
3 | 2001212021222101211 |
4 | 233301233310013 |
5 | 3120200220210 |
6 | 211312232251 |
7 | 25602142636 |
oct | 5761576407 |
9 | 2055258354 |
10 | 801570055 |
11 | 3815134a0 |
12 | 1a453b687 |
13 | ca0b2710 |
14 | 7865751d |
15 | 4a58738a |
hex | 2fc6fd07 |
801570055 has 32 divisors (see below), whose sum is σ = 1136540160. Its totient is φ = 535025280.
The previous prime is 801570023. The next prime is 801570059. The reversal of 801570055 is 550075108.
It is not a de Polignac number, because 801570055 - 25 = 801570023 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 801569999 and 801570026.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (801570059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124854 + ... + 131116.
It is an arithmetic number, because the mean of its divisors is an integer number (35516880).
Almost surely, 2801570055 is an apocalyptic number.
801570055 is a deficient number, since it is larger than the sum of its proper divisors (334970105).
801570055 is a wasteful number, since it uses less digits than its factorization.
801570055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6471.
The product of its (nonzero) digits is 7000, while the sum is 31.
The square root of 801570055 is about 28312.0125565104. The cubic root of 801570055 is about 928.9246656816.
The spelling of 801570055 in words is "eight hundred one million, five hundred seventy thousand, fifty-five".
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