Base | Representation |
---|---|
bin | 1110110000000… |
… | …1001011001010 |
3 | 11022102100202220 |
4 | 3230001023022 |
5 | 111314331134 |
6 | 10050034510 |
7 | 1350615216 |
oct | 354011312 |
9 | 138370686 |
10 | 61870794 |
11 | 31a19497 |
12 | 18878a36 |
13 | ca8364b |
14 | 8307946 |
15 | 5672149 |
hex | 3b012ca |
61870794 has 16 divisors (see below), whose sum is σ = 124102368. Its totient is φ = 20563472.
The previous prime is 61870793. The next prime is 61870799. The reversal of 61870794 is 49707816.
It is not an unprimeable number, because it can be changed into a prime (61870793) 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 7 ways as a sum of consecutive naturals, for example, 12777 + ... + 16940.
It is an arithmetic number, because the mean of its divisors is an integer number (7756398).
Almost surely, 261870794 is an apocalyptic number.
61870794 is an abundant number, since it is smaller than the sum of its proper divisors (62231574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61870794 is a wasteful number, since it uses less digits than its factorization.
61870794 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30069.
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 61870794 is about 7865.7990058226. The cubic root of 61870794 is about 395.5140324785.
The spelling of 61870794 in words is "sixty-one million, eight hundred seventy thousand, seven hundred ninety-four".
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