Base | Representation |
---|---|
bin | 1110110000001… |
… | …0011101001000 |
3 | 11022102121222012 |
4 | 3230002131020 |
5 | 111320013130 |
6 | 10050115052 |
7 | 1350636422 |
oct | 354023510 |
9 | 138377865 |
10 | 61876040 |
11 | 31a22426 |
12 | 1887ba88 |
13 | ca85b55 |
14 | 8309812 |
15 | 5673995 |
hex | 3b02748 |
61876040 has 16 divisors (see below), whose sum is σ = 139221180. Its totient is φ = 24750400.
The previous prime is 61876037. The next prime is 61876043. The reversal of 61876040 is 4067816.
It is an interprime number because it is at equal distance from previous prime (61876037) and next prime (61876043).
It can be written as a sum of positive squares in 2 ways, for example, as 59876644 + 1999396 = 7738^2 + 1414^2 .
It is a junction number, because it is equal to n+sod(n) for n = 61875988 and 61876006.
It is not an unprimeable number, because it can be changed into a prime (61876043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773411 + ... + 773490.
Almost surely, 261876040 is an apocalyptic number.
It is an amenable number.
61876040 is an abundant number, since it is smaller than the sum of its proper divisors (77345140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61876040 is a wasteful number, since it uses less digits than its factorization.
61876040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1546912 (or 1546908 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 61876040 is about 7866.1324677379. The cubic root of 61876040 is about 395.5252106550.
The spelling of 61876040 in words is "sixty-one million, eight hundred seventy-six thousand, forty".
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