Base | Representation |
---|---|
bin | 1110110000001… |
… | …0010100011110 |
3 | 11022102121012200 |
4 | 3230002110132 |
5 | 111320003421 |
6 | 10050112330 |
7 | 1350635001 |
oct | 354022436 |
9 | 138377180 |
10 | 61875486 |
11 | 31a21a72 |
12 | 1887b6a6 |
13 | ca8581a |
14 | 8309538 |
15 | 5673726 |
hex | 3b0251e |
61875486 has 48 divisors (see below), whose sum is σ = 138490560. Its totient is φ = 19955520.
The previous prime is 61875481. The next prime is 61875491. The reversal of 61875486 is 68457816.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (61875481) and next prime (61875491).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61875481) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74956 + ... + 75776.
It is an arithmetic number, because the mean of its divisors is an integer number (2885220).
Almost surely, 261875486 is an apocalyptic number.
61875486 is an abundant number, since it is smaller than the sum of its proper divisors (76615074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61875486 is a wasteful number, since it uses less digits than its factorization.
61875486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 961 (or 958 counting only the distinct ones).
The product of its digits is 322560, while the sum is 45.
The square root of 61875486 is about 7866.0972534034. The cubic root of 61875486 is about 395.5240302217.
The spelling of 61875486 in words is "sixty-one million, eight hundred seventy-five thousand, four hundred eighty-six".
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