Base | Representation |
---|---|
bin | 1010001110010… |
… | …00001101110100 |
3 | 12222100210101111 |
4 | 11013020031310 |
5 | 133423122430 |
6 | 12302004404 |
7 | 2060621551 |
oct | 507101564 |
9 | 188323344 |
10 | 85754740 |
11 | 44451895 |
12 | 24876704 |
13 | 149c6866 |
14 | b563a28 |
15 | 77ddc2a |
hex | 51c8374 |
85754740 has 24 divisors (see below), whose sum is σ = 186296040. Its totient is φ = 33118848.
The previous prime is 85754729. The next prime is 85754761. The reversal of 85754740 is 4745758.
It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 85599504 = 394^2 + 9252^2 .
It is a junction number, because it is equal to n+sod(n) for n = 85754693 and 85754702.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73347 + ... + 74506.
It is an arithmetic number, because the mean of its divisors is an integer number (7762335).
Almost surely, 285754740 is an apocalyptic number.
It is an amenable number.
85754740 is an abundant number, since it is smaller than the sum of its proper divisors (100541300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85754740 is a wasteful number, since it uses less digits than its factorization.
85754740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147891 (or 147889 counting only the distinct ones).
The product of its (nonzero) digits is 156800, while the sum is 40.
The square root of 85754740 is about 9260.3855211325. The cubic root of 85754740 is about 440.9804925186.
The spelling of 85754740 in words is "eighty-five million, seven hundred fifty-four thousand, seven hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •