| Base | Representation |
|---|---|
| bin | 1110101000001… |
| … | …1011101110000 |
| 3 | 11021110012110022 |
| 4 | 3222003131300 |
| 5 | 111201342023 |
| 6 | 10031023012 |
| 7 | 1343342066 |
| oct | 352033560 |
| 9 | 137405408 |
| 10 | 61355888 |
| 11 | 316a7650 |
| 12 | 1866aa68 |
| 13 | c933179 |
| 14 | 8212036 |
| 15 | 55be7c8 |
| hex | 3a83770 |
61355888 has 40 divisors (see below), whose sum is σ = 131174640. Its totient is φ = 27568640.
The previous prime is 61355887. The next prime is 61355891. The reversal of 61355888 is 88855316.
61355888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Cunningham number, because it is equal to 78332-1.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61355887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13706 + ... + 17622.
It is an arithmetic number, because the mean of its divisors is an integer number (3279366).
Almost surely, 261355888 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61355888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65587320).
61355888 is an abundant number, since it is smaller than the sum of its proper divisors (69818752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61355888 is a wasteful number, since it uses less digits than its factorization.
61355888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4025 (or 4019 counting only the distinct ones).
The product of its digits is 230400, while the sum is 44.
The square root of 61355888 is about 7832.9999361675. Note that the first 4 decimals coincide. The cubic root of 61355888 is about 394.4137819244.
It can be divided in two parts, 613558 and 88, that multiplied together give a square (53993104 = 73482).
The spelling of 61355888 in words is "sixty-one million, three hundred fifty-five thousand, eight hundred eighty-eight".
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