Base | Representation |
---|---|
bin | 1110100011001… |
… | …1001001010001 |
3 | 11020211111011110 |
4 | 3220303021101 |
5 | 111110330042 |
6 | 10020003533 |
7 | 1340501661 |
oct | 350631121 |
9 | 136744143 |
10 | 61026897 |
11 | 314a2458 |
12 | 185305a9 |
13 | c8494b9 |
14 | 81681a1 |
15 | 555709c |
hex | 3a33251 |
61026897 has 16 divisors (see below), whose sum is σ = 82306880. Its totient is φ = 40219200.
The previous prime is 61026869. The next prime is 61026913. The reversal of 61026897 is 79862016.
It is not a de Polignac number, because 61026897 - 222 = 56832593 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61026397) 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, 144747 + ... + 145167.
It is an arithmetic number, because the mean of its divisors is an integer number (5144180).
Almost surely, 261026897 is an apocalyptic number.
It is an amenable number.
61026897 is a deficient number, since it is larger than the sum of its proper divisors (21279983).
61026897 is a wasteful number, since it uses less digits than its factorization.
61026897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 864.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 61026897 is about 7811.9713901166. The cubic root of 61026897 is about 393.7075677127.
The spelling of 61026897 in words is "sixty-one million, twenty-six thousand, eight hundred ninety-seven".
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