Base | Representation |
---|---|
bin | 1111100110010… |
… | …1011111001001 |
3 | 11120010001112002 |
4 | 3321211133021 |
5 | 113222134101 |
6 | 10254200345 |
7 | 1423060304 |
oct | 371453711 |
9 | 146101462 |
10 | 65427401 |
11 | 33a28636 |
12 | 19ab30b5 |
13 | 1072a450 |
14 | 8991b3b |
15 | 5b25d6b |
hex | 3e657c9 |
65427401 has 8 divisors (see below), whose sum is σ = 71655360. Its totient is φ = 59370192.
The previous prime is 65427377. The next prime is 65427413. The reversal of 65427401 is 10472456.
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 65427401 - 210 = 65426377 is a prime.
It is a super-2 number, since 2×654274012 = 8561489603229602, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (65427421) 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, 41885 + ... + 43418.
It is an arithmetic number, because the mean of its divisors is an integer number (8956920).
Almost surely, 265427401 is an apocalyptic number.
It is an amenable number.
65427401 is a deficient number, since it is larger than the sum of its proper divisors (6227959).
65427401 is a wasteful number, since it uses less digits than its factorization.
65427401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85375.
The product of its (nonzero) digits is 6720, while the sum is 29.
The square root of 65427401 is about 8088.7206034082. The cubic root of 65427401 is about 402.9519140043.
Adding to 65427401 its reverse (10472456), we get a palindrome (75899857).
The spelling of 65427401 in words is "sixty-five million, four hundred twenty-seven thousand, four hundred one".
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