Base | Representation |
---|---|
bin | 1110100110011… |
… | …1101011110111 |
3 | 11021020102101001 |
4 | 3221213223313 |
5 | 111134221403 |
6 | 10024344131 |
7 | 1342356256 |
oct | 351475367 |
9 | 137212331 |
10 | 61242103 |
11 | 3162a10a |
12 | 18615047 |
13 | c8c3440 |
14 | 81c279d |
15 | 559ac1d |
hex | 3a67af7 |
61242103 has 8 divisors (see below), whose sum is σ = 66246768. Its totient is φ = 56279424.
The previous prime is 61242101. The next prime is 61242119. The reversal of 61242103 is 30124216.
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 61242103 - 21 = 61242101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61242101) 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, 7426 + ... + 13327.
It is an arithmetic number, because the mean of its divisors is an integer number (8280846).
Almost surely, 261242103 is an apocalyptic number.
61242103 is a deficient number, since it is larger than the sum of its proper divisors (5004665).
61242103 is a wasteful number, since it uses less digits than its factorization.
61242103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20993.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 61242103 is about 7825.7333841628. The cubic root of 61242103 is about 394.1698165138.
Adding to 61242103 its reverse (30124216), we get a palindrome (91366319).
The spelling of 61242103 in words is "sixty-one million, two hundred forty-two thousand, one hundred three".
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