| Base | Representation |
|---|---|
| bin | 1110101001111… |
| … | …1101100000000 |
| 3 | 11021200002000210 |
| 4 | 3222133230000 |
| 5 | 111214041423 |
| 6 | 10033314120 |
| 7 | 1344333111 |
| oct | 352375400 |
| 9 | 137602023 |
| 10 | 61471488 |
| 11 | 31776491 |
| 12 | 18705940 |
| 13 | c973980 |
| 14 | 8242208 |
| 15 | 55e3b93 |
| hex | 3a9fb00 |
61471488 has 144 divisors (see below), whose sum is σ = 181310976. Its totient is φ = 18370560.
The previous prime is 61471483. The next prime is 61471493. The reversal of 61471488 is 88417416.
61471488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (61471483) and next prime (61471493).
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (61471483) 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 15 ways as a sum of consecutive naturals, for example, 469183 + ... + 469313.
It is an arithmetic number, because the mean of its divisors is an integer number (1259104).
Almost surely, 261471488 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 61471488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90655488).
61471488 is an abundant number, since it is smaller than the sum of its proper divisors (119839488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61471488 is a wasteful number, since it uses less digits than its factorization.
61471488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210 (or 196 counting only the distinct ones).
The product of its digits is 43008, while the sum is 39.
The square root of 61471488 is about 7840.3755012117. The cubic root of 61471488 is about 394.6613301770.
The spelling of 61471488 in words is "sixty-one million, four hundred seventy-one thousand, four hundred eighty-eight".
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