| Base | Representation |
|---|---|
| bin | 1110101000000… |
| … | …1101100100100 |
| 3 | 11021102211112000 |
| 4 | 3222001230210 |
| 5 | 111201124034 |
| 6 | 10030525300 |
| 7 | 1343312010 |
| oct | 352015444 |
| 9 | 137384460 |
| 10 | 61348644 |
| 11 | 316a2165 |
| 12 | 18666830 |
| 13 | c92ca96 |
| 14 | 820d540 |
| 15 | 55bc599 |
| hex | 3a81b24 |
61348644 has 96 divisors (see below), whose sum is σ = 191385600. Its totient is φ = 16601760.
The previous prime is 61348621. The next prime is 61348649. The reversal of 61348644 is 44684316.
61348644 is a `hidden beast` number, since 6 + 1 + 3 + 4 + 8 + 644 = 666.
It is a super-2 number, since 2×613486442 = 7527312241277472, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 61348599 and 61348608.
It is not an unprimeable number, because it can be changed into a prime (61348649) 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 31 ways as a sum of consecutive naturals, for example, 12229 + ... + 16499.
It is an arithmetic number, because the mean of its divisors is an integer number (1993600).
Almost surely, 261348644 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 61348644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95692800).
61348644 is an abundant number, since it is smaller than the sum of its proper divisors (130036956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61348644 is a wasteful number, since it uses less digits than its factorization.
61348644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4310 (or 4302 counting only the distinct ones).
The product of its digits is 55296, while the sum is 36.
The square root of 61348644 is about 7832.5375198591. The cubic root of 61348644 is about 394.3982591225.
The spelling of 61348644 in words is "sixty-one million, three hundred forty-eight thousand, six hundred forty-four".
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