Base | Representation |
---|---|
bin | 10111111010001… |
… | …011111100001011 |
3 | 1000221210110212001 |
4 | 113322023330023 |
5 | 1310142113402 |
6 | 103445331431 |
7 | 12640353652 |
oct | 2772137413 |
9 | 1027713761 |
10 | 401129227 |
11 | 196477364 |
12 | b2406b77 |
13 | 65148595 |
14 | 3b3ba199 |
15 | 25338187 |
hex | 17e8bf0b |
401129227 has 2 divisors, whose sum is σ = 401129228. Its totient is φ = 401129226.
The previous prime is 401129171. The next prime is 401129249. The reversal of 401129227 is 722921104.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 401129227 - 211 = 401127179 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 401129195 and 401129204.
It is not a weakly prime, because it can be changed into another prime (401120227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200564613 + 200564614.
It is an arithmetic number, because the mean of its divisors is an integer number (200564614).
Almost surely, 2401129227 is an apocalyptic number.
401129227 is a deficient number, since it is larger than the sum of its proper divisors (1).
401129227 is an equidigital number, since it uses as much as digits as its factorization.
401129227 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 401129227 is about 20028.2107787990. The cubic root of 401129227 is about 737.4989995965.
The spelling of 401129227 in words is "four hundred one million, one hundred twenty-nine thousand, two hundred twenty-seven".
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