Base | Representation |
---|---|
bin | 1110100011100… |
… | …0101000101001 |
3 | 11020212122000100 |
4 | 3220320220221 |
5 | 111112040020 |
6 | 10020300013 |
7 | 1340624355 |
oct | 350705051 |
9 | 136778010 |
10 | 61049385 |
11 | 31508341 |
12 | 18541609 |
13 | c8567c7 |
14 | 8172465 |
15 | 555da90 |
hex | 3a38a29 |
61049385 has 48 divisors (see below), whose sum is σ = 110522880. Its totient is φ = 31138560.
The previous prime is 61049357. The next prime is 61049393. The reversal of 61049385 is 58394016.
61049385 is a `hidden beast` number, since 610 + 4 + 9 + 38 + 5 = 666.
It is not a de Polignac number, because 61049385 - 25 = 61049353 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149061 + ... + 149469.
It is an arithmetic number, because the mean of its divisors is an integer number (2302560).
Almost surely, 261049385 is an apocalyptic number.
It is an amenable number.
61049385 is a deficient number, since it is larger than the sum of its proper divisors (49473495).
61049385 is a wasteful number, since it uses less digits than its factorization.
61049385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 558 (or 555 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 61049385 is about 7813.4105869332. The cubic root of 61049385 is about 393.7559213017.
The spelling of 61049385 in words is "sixty-one million, forty-nine thousand, three hundred eighty-five".
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