Base | Representation |
---|---|
bin | 1000010111111… |
… | …11100111100110 |
3 | 11220012020001002 |
4 | 10023333213212 |
5 | 120441044110 |
6 | 10545433302 |
7 | 1512066221 |
oct | 413774746 |
9 | 156166032 |
10 | 70253030 |
11 | 36724161 |
12 | 1b63b832 |
13 | 11729a53 |
14 | 948a5b8 |
15 | 627aaa5 |
hex | 42ff9e6 |
70253030 has 8 divisors (see below), whose sum is σ = 126455472. Its totient is φ = 28101208.
The previous prime is 70253023. The next prime is 70253039. The reversal of 70253030 is 3035207.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 70252993 and 70253011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70253039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512642 + ... + 3512661.
It is an arithmetic number, because the mean of its divisors is an integer number (15806934).
Almost surely, 270253030 is an apocalyptic number.
70253030 is a deficient number, since it is larger than the sum of its proper divisors (56202442).
70253030 is a wasteful number, since it uses less digits than its factorization.
70253030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7025310.
The product of its (nonzero) digits is 630, while the sum is 20.
The square root of 70253030 is about 8381.7080598169. The cubic root of 70253030 is about 412.6245084815.
Adding to 70253030 its reverse (3035207), we get a palindrome (73288237).
The spelling of 70253030 in words is "seventy million, two hundred fifty-three thousand, thirty".
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