Base | Representation |
---|---|
bin | 100111011100001110001 |
3 | 2102122211201 |
4 | 10323201301 |
5 | 312324101 |
6 | 43411201 |
7 | 13661635 |
oct | 4734161 |
9 | 2378751 |
10 | 1292401 |
11 | 803000 |
12 | 523b01 |
13 | 363346 |
14 | 258dc5 |
15 | 1a7e01 |
hex | 13b871 |
1292401 has 8 divisors (see below), whose sum is σ = 1423008. Its totient is φ = 1173700.
The previous prime is 1292387. The next prime is 1292419. The reversal of 1292401 is 1042921.
It is not a de Polignac number, because 1292401 - 213 = 1284209 is a prime.
It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1292441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846 + ... + 1816.
It is an arithmetic number, because the mean of its divisors is an integer number (177876).
21292401 is an apocalyptic number.
1292401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1292401 is a deficient number, since it is larger than the sum of its proper divisors (130607).
1292401 is an frugal number, since it uses more digits than its factorization.
1292401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1004 (or 982 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 1292401 is about 1136.8381591062. The cubic root of 1292401 is about 108.9262189021.
The spelling of 1292401 in words is "one million, two hundred ninety-two thousand, four hundred one".
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