Base | Representation |
---|---|
bin | 10011110010001… |
… | …000010000011101 |
3 | 212010112200100112 |
4 | 103302020100131 |
5 | 1134432030000 |
6 | 52533535405 |
7 | 11140113113 |
oct | 2362102035 |
9 | 763480315 |
10 | 331908125 |
11 | 16039853a |
12 | 931a4565 |
13 | 539c0453 |
14 | 3211bab3 |
15 | 1e213235 |
hex | 13c8841d |
331908125 has 20 divisors (see below), whose sum is σ = 423614400. Its totient is φ = 259854000.
The previous prime is 331908107. The next prime is 331908139. The reversal of 331908125 is 521809133.
It is not a de Polignac number, because 331908125 - 26 = 331908061 is a prime.
It is a super-2 number, since 2×3319081252 = 220326006882031250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 331908091 and 331908100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23726 + ... + 35024.
It is an arithmetic number, because the mean of its divisors is an integer number (21180720).
Almost surely, 2331908125 is an apocalyptic number.
It is an amenable number.
331908125 is a deficient number, since it is larger than the sum of its proper divisors (91706275).
331908125 is an equidigital number, since it uses as much as digits as its factorization.
331908125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11366 (or 11351 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 331908125 is about 18218.3458359973. The cubic root of 331908125 is about 692.3716783610.
The spelling of 331908125 in words is "three hundred thirty-one million, nine hundred eight thousand, one hundred twenty-five".
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