Base | Representation |
---|---|
bin | 10111001101001… |
… | …111101010111001 |
3 | 1000010121221002020 |
4 | 113031033222321 |
5 | 1244133114100 |
6 | 102345025053 |
7 | 12435255303 |
oct | 2715175271 |
9 | 1003557066 |
10 | 389348025 |
11 | 18a85aa30 |
12 | aa485189 |
13 | 62882061 |
14 | 399d0973 |
15 | 242ac5a0 |
hex | 1734fab9 |
389348025 has 144 divisors (see below), whose sum is σ = 789378048. Its totient is φ = 167552000.
The previous prime is 389348023. The next prime is 389348027. The reversal of 389348025 is 520843983.
It is an interprime number because it is at equal distance from previous prime (389348023) and next prime (389348027).
It is not a de Polignac number, because 389348025 - 21 = 389348023 is a prime.
It is not an unprimeable number, because it can be changed into a prime (389348023) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5483740 + ... + 5483810.
It is an arithmetic number, because the mean of its divisors is an integer number (5481792).
Almost surely, 2389348025 is an apocalyptic number.
It is an amenable number.
389348025 is an abundant number, since it is smaller than the sum of its proper divisors (400030023).
389348025 is a wasteful number, since it uses less digits than its factorization.
389348025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152 (or 130 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 42.
The square root of 389348025 is about 19731.9037348148. The cubic root of 389348025 is about 730.2070001574.
The spelling of 389348025 in words is "three hundred eighty-nine million, three hundred forty-eight thousand, twenty-five".
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