Base | Representation |
---|---|
bin | 1110101101010… |
… | …1110001111110 |
3 | 11022002022221221 |
4 | 3223111301332 |
5 | 111243134204 |
6 | 10042143554 |
7 | 1346245063 |
oct | 353256176 |
9 | 138068857 |
10 | 61693054 |
11 | 319079a5 |
12 | 187b1bba |
13 | ca20787 |
14 | 829cc6a |
15 | 5639654 |
hex | 3ad5c7e |
61693054 has 4 divisors (see below), whose sum is σ = 92539584. Its totient is φ = 30846526.
The previous prime is 61693043. The next prime is 61693087. The reversal of 61693054 is 45039616.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 15423262 + ... + 15423265.
It is an arithmetic number, because the mean of its divisors is an integer number (23134896).
Almost surely, 261693054 is an apocalyptic number.
61693054 is a deficient number, since it is larger than the sum of its proper divisors (30846530).
61693054 is a wasteful number, since it uses less digits than its factorization.
61693054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30846529.
The product of its (nonzero) digits is 19440, while the sum is 34.
The square root of 61693054 is about 7854.4925997801. The cubic root of 61693054 is about 395.1349301357.
The spelling of 61693054 in words is "sixty-one million, six hundred ninety-three thousand, fifty-four".
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