Base | Representation |
---|---|
bin | 1110101110111… |
… | …0001100110111 |
3 | 11022021102011120 |
4 | 3223232030313 |
5 | 111304334304 |
6 | 10044235023 |
7 | 1350142515 |
oct | 353561467 |
9 | 138242146 |
10 | 61793079 |
11 | 31976067 |
12 | 1883ba73 |
13 | ca5716a |
14 | 82c74b5 |
15 | 56590d9 |
hex | 3aee337 |
61793079 has 8 divisors (see below), whose sum is σ = 87237360. Its totient is φ = 38772096.
The previous prime is 61793057. The next prime is 61793087. The reversal of 61793079 is 97039716.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61793079 - 215 = 61760311 is a prime.
It is a super-2 number, since 2×617930792 = 7636769224600482, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 61793079.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61793009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605764 + ... + 605865.
It is an arithmetic number, because the mean of its divisors is an integer number (10904670).
Almost surely, 261793079 is an apocalyptic number.
61793079 is a deficient number, since it is larger than the sum of its proper divisors (25444281).
61793079 is a wasteful number, since it uses less digits than its factorization.
61793079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1211649.
The product of its (nonzero) digits is 71442, while the sum is 42.
The square root of 61793079 is about 7860.8573959842. The cubic root of 61793079 is about 395.3483632958.
The spelling of 61793079 in words is "sixty-one million, seven hundred ninety-three thousand, seventy-nine".
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