Base | Representation |
---|---|
bin | 1110110000001… |
… | …0011101111001 |
3 | 11022102122001000 |
4 | 3230002131321 |
5 | 111320013324 |
6 | 10050115213 |
7 | 1350636522 |
oct | 354023571 |
9 | 138378030 |
10 | 61876089 |
11 | 31a22470 |
12 | 1887bb09 |
13 | ca85b92 |
14 | 8309849 |
15 | 56739c9 |
hex | 3b02779 |
61876089 has 16 divisors (see below), whose sum is σ = 100002240. Its totient is φ = 37500480.
The previous prime is 61876081. The next prime is 61876109. The reversal of 61876089 is 98067816.
It is a happy number.
It is not a de Polignac number, because 61876089 - 23 = 61876081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61876081) 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, 103872 + ... + 104465.
It is an arithmetic number, because the mean of its divisors is an integer number (6250140).
Almost surely, 261876089 is an apocalyptic number.
It is an amenable number.
61876089 is a deficient number, since it is larger than the sum of its proper divisors (38126151).
61876089 is a wasteful number, since it uses less digits than its factorization.
61876089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208357 (or 208351 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The square root of 61876089 is about 7866.1355823555. The cubic root of 61876089 is about 395.5253150612.
The spelling of 61876089 in words is "sixty-one million, eight hundred seventy-six thousand, eighty-nine".
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