Base | Representation |
---|---|
bin | 1000011001001… |
… | …11110000001100 |
3 | 11220111120112121 |
4 | 10030213300030 |
5 | 121011324140 |
6 | 10553142324 |
7 | 1513352413 |
oct | 414476014 |
9 | 156446477 |
10 | 70417420 |
11 | 36826717 |
12 | 1b6ba9a4 |
13 | 11786818 |
14 | 94d047a |
15 | 62ae64a |
hex | 4327c0c |
70417420 has 24 divisors (see below), whose sum is σ = 155660400. Its totient is φ = 26684352.
The previous prime is 70417411. The next prime is 70417447. The reversal of 70417420 is 2471407.
It is a super-2 number, since 2×704174202 = 9917226078912800, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92275 + ... + 93034.
It is an arithmetic number, because the mean of its divisors is an integer number (6485850).
Almost surely, 270417420 is an apocalyptic number.
It is an amenable number.
70417420 is an abundant number, since it is smaller than the sum of its proper divisors (85242980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70417420 is a wasteful number, since it uses less digits than its factorization.
70417420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185337 (or 185335 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 25.
The square root of 70417420 is about 8391.5088035466. The cubic root of 70417420 is about 412.9461007973.
Adding to 70417420 its reverse (2471407), we get a palindrome (72888827).
The spelling of 70417420 in words is "seventy million, four hundred seventeen thousand, four hundred twenty".
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