Base | Representation |
---|---|
bin | 101010001011100… |
… | …101100000000101 |
3 | 1211022121212211001 |
4 | 222023211200011 |
5 | 2422131232021 |
6 | 154120013301 |
7 | 23352116521 |
oct | 5213454005 |
9 | 1738555731 |
10 | 707680261 |
11 | 333515722 |
12 | 179001231 |
13 | b37cb122 |
14 | 69db6d81 |
15 | 421dd091 |
hex | 2a2e5805 |
707680261 has 8 divisors (see below), whose sum is σ = 739595520. Its totient is φ = 675860592.
The previous prime is 707680249. The next prime is 707680273. The reversal of 707680261 is 162086707.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (707680249) and next prime (707680273).
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 707680261 - 25 = 707680229 is a prime.
It is a super-2 number, since 2×7076802612 = 1001622703618056242, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 707680261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (707680231) 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, 8541 + ... + 38578.
It is an arithmetic number, because the mean of its divisors is an integer number (92449440).
Almost surely, 2707680261 is an apocalyptic number.
It is an amenable number.
707680261 is a deficient number, since it is larger than the sum of its proper divisors (31915259).
707680261 is a wasteful number, since it uses less digits than its factorization.
707680261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47795.
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 707680261 is about 26602.2604490671. The cubic root of 707680261 is about 891.1394994886.
The spelling of 707680261 in words is "seven hundred seven million, six hundred eighty thousand, two hundred sixty-one".
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