Base | Representation |
---|---|
bin | 1000011000111… |
… | …10101100100101 |
3 | 11220102200122201 |
4 | 10030132230211 |
5 | 121004132300 |
6 | 10552254501 |
7 | 1513136311 |
oct | 414365445 |
9 | 156380581 |
10 | 70380325 |
11 | 36800864 |
12 | 1b6a1431 |
13 | 11772982 |
14 | 94c0b41 |
15 | 62a366a |
hex | 431eb25 |
70380325 has 12 divisors (see below), whose sum is σ = 87912900. Its totient is φ = 55890560.
The previous prime is 70380307. The next prime is 70380337. The reversal of 70380325 is 52308307.
It can be written as a sum of positive squares in 6 ways, for example, as 3500641 + 66879684 = 1871^2 + 8178^2 .
It is a de Polignac number, because none of the positive numbers 2k-70380325 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 70380293 and 70380302.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6850 + ... + 13699.
It is an arithmetic number, because the mean of its divisors is an integer number (7326075).
Almost surely, 270380325 is an apocalyptic number.
70380325 is the 6850-th pentagonal number.
It is an amenable number.
70380325 is a deficient number, since it is larger than the sum of its proper divisors (17532575).
70380325 is a wasteful number, since it uses less digits than its factorization.
70380325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20696 (or 20691 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 70380325 is about 8389.2982424038. The cubic root of 70380325 is about 412.8735764787.
The spelling of 70380325 in words is "seventy million, three hundred eighty thousand, three hundred twenty-five".
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