Base | Representation |
---|---|
bin | 1000011010101… |
… | …11011000000111 |
3 | 11220212111010022 |
4 | 10031113120013 |
5 | 121034044422 |
6 | 11001245355 |
7 | 1515124211 |
oct | 415273007 |
9 | 156774108 |
10 | 70612487 |
11 | 3694a230 |
12 | 1b79385b |
13 | 1182454a |
14 | 95415b1 |
15 | 62ec342 |
hex | 4357607 |
70612487 has 8 divisors (see below), whose sum is σ = 77281680. Its totient is φ = 63984960.
The previous prime is 70612481. The next prime is 70612501. The reversal of 70612487 is 78421607.
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 70612487 - 226 = 3503623 is a prime.
It is a super-2 number, since 2×706124872 = 9972246640650338, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70612481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6812 + ... + 13697.
It is an arithmetic number, because the mean of its divisors is an integer number (9660210).
Almost surely, 270612487 is an apocalyptic number.
70612487 is a deficient number, since it is larger than the sum of its proper divisors (6669193).
70612487 is a wasteful number, since it uses less digits than its factorization.
70612487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20833.
The product of its (nonzero) digits is 18816, while the sum is 35.
The square root of 70612487 is about 8403.1236454071. The cubic root of 70612487 is about 413.3270571512.
The spelling of 70612487 in words is "seventy million, six hundred twelve thousand, four hundred eighty-seven".
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