Base | Representation |
---|---|
bin | 1000000011110… |
… | …0010011010001 |
3 | 2100121021211122 |
4 | 2000330103101 |
5 | 32123121200 |
6 | 3204252025 |
7 | 560210300 |
oct | 200742321 |
9 | 70537748 |
10 | 33801425 |
11 | 18097569 |
12 | b3a1015 |
13 | 7006358 |
14 | 46bc437 |
15 | 2e7a385 |
hex | 203c4d1 |
33801425 has 36 divisors (see below), whose sum is σ = 50020236. Its totient is φ = 22579200.
The previous prime is 33801419. The next prime is 33801463. The reversal of 33801425 is 52410833.
33801425 = T1150 + T1151 + ... + T1198.
It can be written as a sum of positive squares in 6 ways, for example, as 8116801 + 25684624 = 2849^2 + 5068^2 .
It is not a de Polignac number, because 33801425 - 214 = 33785041 is a prime.
It is a super-2 number, since 2×338014252 = 2285072664061250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 33801394 and 33801403.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 49889 + ... + 50561.
It is an arithmetic number, because the mean of its divisors is an integer number (1389451).
Almost surely, 233801425 is an apocalyptic number.
33801425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
33801425 is a deficient number, since it is larger than the sum of its proper divisors (16218811).
33801425 is a wasteful number, since it uses less digits than its factorization.
33801425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 738 (or 726 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
The square root of 33801425 is about 5813.8992939335. The cubic root of 33801425 is about 323.3292562162.
The spelling of 33801425 in words is "thirty-three million, eight hundred one thousand, four hundred twenty-five".
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