Base | Representation |
---|---|
bin | 1110100111001… |
… | …1101000100001 |
3 | 11021022220111120 |
4 | 3221303220201 |
5 | 111142303131 |
6 | 10025402453 |
7 | 1342652040 |
oct | 351635041 |
9 | 137286446 |
10 | 61291041 |
11 | 31662959 |
12 | 18639429 |
13 | c90c7b6 |
14 | 81d6557 |
15 | 55aa496 |
hex | 3a73a21 |
61291041 has 8 divisors (see below), whose sum is σ = 93395904. Its totient is φ = 35023440.
The previous prime is 61291003. The next prime is 61291049. The reversal of 61291041 is 14019216.
61291041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61291041 - 27 = 61290913 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61291049) 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 7 ways as a sum of consecutive naturals, for example, 1459290 + ... + 1459331.
It is an arithmetic number, because the mean of its divisors is an integer number (11674488).
Almost surely, 261291041 is an apocalyptic number.
It is an amenable number.
61291041 is a deficient number, since it is larger than the sum of its proper divisors (32104863).
61291041 is a wasteful number, since it uses less digits than its factorization.
61291041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2918631.
The product of its (nonzero) digits is 432, while the sum is 24.
The square root of 61291041 is about 7828.8594954821. The cubic root of 61291041 is about 394.2747810490.
The spelling of 61291041 in words is "sixty-one million, two hundred ninety-one thousand, forty-one".
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