Base | Representation |
---|---|
bin | 1110110000010… |
… | …1011000100100 |
3 | 11022110020102111 |
4 | 3230011120210 |
5 | 111320404121 |
6 | 10050250404 |
7 | 1351016410 |
oct | 354053044 |
9 | 138406374 |
10 | 61888036 |
11 | 31a30441 |
12 | 18886a04 |
13 | ca8b452 |
14 | 830dd40 |
15 | 56772e1 |
hex | 3b05624 |
61888036 has 12 divisors (see below), whose sum is σ = 123776128. Its totient is φ = 26523432.
The previous prime is 61888031. The next prime is 61888061. The reversal of 61888036 is 63088816.
61888036 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 61888036.
It is not an unprimeable number, because it can be changed into a prime (61888031) 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, 1105116 + ... + 1105171.
Almost surely, 261888036 is an apocalyptic number.
It is an amenable number.
61888036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61888036 is a wasteful number, since it uses less digits than its factorization.
61888036 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2210298 (or 2210296 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 40.
The square root of 61888036 is about 7866.8949401908. The cubic root of 61888036 is about 395.5507693572.
The spelling of 61888036 in words is "sixty-one million, eight hundred eighty-eight thousand, thirty-six".
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