Base | Representation |
---|---|
bin | 1110101001000… |
… | …1111100101110 |
3 | 11021120012211120 |
4 | 3222101330232 |
5 | 111210241324 |
6 | 10032201410 |
7 | 1344010050 |
oct | 352217456 |
9 | 137505746 |
10 | 61415214 |
11 | 31738183 |
12 | 18699266 |
13 | c954183 |
14 | 82298d0 |
15 | 55d2179 |
hex | 3a91f2e |
61415214 has 32 divisors (see below), whose sum is σ = 145221120. Its totient is φ = 16941792.
The previous prime is 61415143. The next prime is 61415219. The reversal of 61415214 is 41251416.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61415219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23994 + ... + 26429.
It is an arithmetic number, because the mean of its divisors is an integer number (4538160).
Almost surely, 261415214 is an apocalyptic number.
61415214 is an abundant number, since it is smaller than the sum of its proper divisors (83805906).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61415214 is a wasteful number, since it uses less digits than its factorization.
61415214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50464.
The product of its digits is 960, while the sum is 24.
The square root of 61415214 is about 7836.7859483337. The cubic root of 61415214 is about 394.5408626617.
The spelling of 61415214 in words is "sixty-one million, four hundred fifteen thousand, two hundred fourteen".
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