Base | Representation |
---|---|
bin | 1000001111100… |
… | …01000000011001 |
3 | 11211002220120011 |
4 | 10013301000121 |
5 | 120200111401 |
6 | 10510001521 |
7 | 1466501521 |
oct | 407610031 |
9 | 154086504 |
10 | 69144601 |
11 | 360373a9 |
12 | 1b1a62a1 |
13 | 1142c386 |
14 | 927c681 |
15 | 610c451 |
hex | 41f1019 |
69144601 has 16 divisors (see below), whose sum is σ = 76520448. Its totient is φ = 62251200.
The previous prime is 69144599. The next prime is 69144611. The reversal of 69144601 is 10644196.
It is a cyclic number.
It is not a de Polignac number, because 69144601 - 21 = 69144599 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is not an unprimeable number, because it can be changed into a prime (69144611) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25071 + ... + 27691.
It is an arithmetic number, because the mean of its divisors is an integer number (4782528).
Almost surely, 269144601 is an apocalyptic number.
It is an amenable number.
69144601 is a deficient number, since it is larger than the sum of its proper divisors (7375847).
69144601 is a wasteful number, since it uses less digits than its factorization.
69144601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2712.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 69144601 is about 8315.3232649128. The cubic root of 69144601 is about 410.4429102214.
Adding to 69144601 its reverse (10644196), we get a palindrome (79788797).
The spelling of 69144601 in words is "sixty-nine million, one hundred forty-four thousand, six hundred one".
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