Base | Representation |
---|---|
bin | 101101010111110… |
… | …111001100000001 |
3 | 1222001101111100201 |
4 | 231113313030001 |
5 | 3024333330311 |
6 | 203311445201 |
7 | 24602230453 |
oct | 5527671401 |
9 | 1861344321 |
10 | 761230081 |
11 | 360770477 |
12 | 192b26801 |
13 | c192a201 |
14 | 731562d3 |
15 | 46c699c1 |
hex | 2d5f7301 |
761230081 has 8 divisors (see below), whose sum is σ = 774277920. Its totient is φ = 748231968.
The previous prime is 761230061. The next prime is 761230133. The reversal of 761230081 is 180032167.
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 761230081 - 223 = 752841473 is a prime.
It is a super-3 number, since 3×7612300813 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (761230061) 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, 19125 + ... + 43453.
It is an arithmetic number, because the mean of its divisors is an integer number (96784740).
Almost surely, 2761230081 is an apocalyptic number.
It is an amenable number.
761230081 is a deficient number, since it is larger than the sum of its proper divisors (13047839).
761230081 is a wasteful number, since it uses less digits than its factorization.
761230081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24863.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 761230081 is about 27590.3983479761. The cubic root of 761230081 is about 913.0726072907.
The spelling of 761230081 in words is "seven hundred sixty-one million, two hundred thirty thousand, eighty-one".
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