Base | Representation |
---|---|
bin | 1000010110111… |
… | …11101111111010 |
3 | 11212221120222021 |
4 | 10023133233322 |
5 | 120422404430 |
6 | 10542545054 |
7 | 1511013514 |
oct | 413375772 |
9 | 155846867 |
10 | 70122490 |
11 | 36645079 |
12 | 1b59818a |
13 | 116b24c9 |
14 | 9454bb4 |
15 | 625207a |
hex | 42dfbfa |
70122490 has 8 divisors (see below), whose sum is σ = 126220500. Its totient is φ = 28048992.
The previous prime is 70122463. The next prime is 70122517. The reversal of 70122490 is 9422107.
It is an interprime number because it is at equal distance from previous prime (70122463) and next prime (70122517).
It can be written as a sum of positive squares in 2 ways, for example, as 67584841 + 2537649 = 8221^2 + 1593^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3506115 + ... + 3506134.
Almost surely, 270122490 is an apocalyptic number.
70122490 is a deficient number, since it is larger than the sum of its proper divisors (56098010).
70122490 is a wasteful number, since it uses less digits than its factorization.
70122490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7012256.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 70122490 is about 8373.9172434411. The cubic root of 70122490 is about 412.3687785857.
Adding to 70122490 its reverse (9422107), we get a palindrome (79544597).
The spelling of 70122490 in words is "seventy million, one hundred twenty-two thousand, four hundred ninety".
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