Base | Representation |
---|---|
bin | 1000011000010… |
… | …00110000100001 |
3 | 11220021010101120 |
4 | 10030020300201 |
5 | 120443243330 |
6 | 10550322453 |
7 | 1512313320 |
oct | 414106041 |
9 | 156233346 |
10 | 70290465 |
11 | 3674a2a3 |
12 | 1b659429 |
13 | 11740abb |
14 | 949a0b7 |
15 | 6286c10 |
hex | 4308c21 |
70290465 has 16 divisors (see below), whose sum is σ = 128531328. Its totient is φ = 32132736.
The previous prime is 70290463. The next prime is 70290469. The reversal of 70290465 is 56409207.
It is not a de Polignac number, because 70290465 - 21 = 70290463 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (70290463) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334612 + ... + 334821.
It is an arithmetic number, because the mean of its divisors is an integer number (8033208).
Almost surely, 270290465 is an apocalyptic number.
It is an amenable number.
70290465 is a deficient number, since it is larger than the sum of its proper divisors (58240863).
70290465 is a wasteful number, since it uses less digits than its factorization.
70290465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 669448.
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 70290465 is about 8383.9408991238. The cubic root of 70290465 is about 412.6977857748.
The spelling of 70290465 in words is "seventy million, two hundred ninety thousand, four hundred sixty-five".
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