Base | Representation |
---|---|
bin | 1110101000111… |
… | …0100000110101 |
3 | 11021112111112100 |
4 | 3222032200311 |
5 | 111204314031 |
6 | 10032012313 |
7 | 1343621034 |
oct | 352164065 |
9 | 137474470 |
10 | 61401141 |
11 | 3172864a |
12 | 18691099 |
13 | c94a949 |
14 | 822471b |
15 | 55ccde6 |
hex | 3a8e835 |
61401141 has 24 divisors (see below), whose sum is σ = 94105440. Its totient is φ = 38469600.
The previous prime is 61401139. The next prime is 61401143. The reversal of 61401141 is 14110416.
61401141 is a `hidden beast` number, since 614 + 0 + 11 + 41 = 666.
61401141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (61401139) and next prime (61401143).
It is not a de Polignac number, because 61401141 - 21 = 61401139 is a prime.
It is a super-2 number, since 2×614011412 = 7540200232203762, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61401143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21031 + ... + 23771.
It is an arithmetic number, because the mean of its divisors is an integer number (3921060).
Almost surely, 261401141 is an apocalyptic number.
It is an amenable number.
61401141 is a deficient number, since it is larger than the sum of its proper divisors (32704299).
61401141 is a wasteful number, since it uses less digits than its factorization.
61401141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2897 (or 2894 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 61401141 is about 7835.8880160452. Note that the first 3 decimals coincide. The cubic root of 61401141 is about 394.5107246478.
Adding to 61401141 its reverse (14110416), we get a palindrome (75511557).
The spelling of 61401141 in words is "sixty-one million, four hundred one thousand, one hundred forty-one".
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