Base | Representation |
---|---|
bin | 1110101110110… |
… | …1100010001101 |
3 | 11022021021102110 |
4 | 3223231202031 |
5 | 111304242344 |
6 | 10044214233 |
7 | 1350131535 |
oct | 353554215 |
9 | 138237373 |
10 | 61790349 |
11 | 31974005 |
12 | 1883a379 |
13 | ca55b4a |
14 | 82c64c5 |
15 | 56583b9 |
hex | 3aed88d |
61790349 has 8 divisors (see below), whose sum is σ = 82585440. Its totient is φ = 41094416.
The previous prime is 61790341. The next prime is 61790357. The reversal of 61790349 is 94309716.
It is an interprime number because it is at equal distance from previous prime (61790341) and next prime (61790357).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61790349 - 23 = 61790341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61790341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23322 + ... + 25835.
It is an arithmetic number, because the mean of its divisors is an integer number (10323180).
Almost surely, 261790349 is an apocalyptic number.
It is an amenable number.
61790349 is a deficient number, since it is larger than the sum of its proper divisors (20795091).
61790349 is a wasteful number, since it uses less digits than its factorization.
61790349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49579.
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 61790349 is about 7860.6837488860. The cubic root of 61790349 is about 395.3425410854.
The spelling of 61790349 in words is "sixty-one million, seven hundred ninety thousand, three hundred forty-nine".
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