Base | Representation |
---|---|
bin | 1000010111101… |
… | …11101010110101 |
3 | 11220010120101010 |
4 | 10023313222311 |
5 | 120434023334 |
6 | 10545022433 |
7 | 1511602254 |
oct | 413675265 |
9 | 156116333 |
10 | 70220469 |
11 | 36701750 |
12 | 1b624a19 |
13 | 11717c97 |
14 | 947c79b |
15 | 62710e9 |
hex | 42f7ab5 |
70220469 has 8 divisors (see below), whose sum is σ = 102138912. Its totient is φ = 42557840.
The previous prime is 70220467. The next prime is 70220477. The reversal of 70220469 is 96402207.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70220469 - 21 = 70220467 is a prime.
It is a super-3 number, since 3×702204693 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70220461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063914 + ... + 1063979.
It is an arithmetic number, because the mean of its divisors is an integer number (12767364).
Almost surely, 270220469 is an apocalyptic number.
It is an amenable number.
70220469 is a deficient number, since it is larger than the sum of its proper divisors (31918443).
70220469 is a wasteful number, since it uses less digits than its factorization.
70220469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2127907.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 70220469 is about 8379.7654501782. The cubic root of 70220469 is about 412.5607506485.
The spelling of 70220469 in words is "seventy million, two hundred twenty thousand, four hundred sixty-nine".
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