Base | Representation |
---|---|
bin | 1110101000101… |
… | …0110010101110 |
3 | 11021111201121221 |
4 | 3222022302232 |
5 | 111203322102 |
6 | 10031413554 |
7 | 1343525434 |
oct | 352126256 |
9 | 137451557 |
10 | 61385902 |
11 | 31718156 |
12 | 186842ba |
13 | c943a26 |
14 | 821cd54 |
15 | 55c8637 |
hex | 3a8acae |
61385902 has 8 divisors (see below), whose sum is σ = 92593800. Its totient is φ = 30521304.
The previous prime is 61385893. The next prime is 61385971. The reversal of 61385902 is 20958316.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85377 + ... + 86092.
It is an arithmetic number, because the mean of its divisors is an integer number (11574225).
Almost surely, 261385902 is an apocalyptic number.
61385902 is a deficient number, since it is larger than the sum of its proper divisors (31207898).
61385902 is a wasteful number, since it uses less digits than its factorization.
61385902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171650.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 61385902 is about 7834.9155707002. The cubic root of 61385902 is about 394.4780843947.
The spelling of 61385902 in words is "sixty-one million, three hundred eighty-five thousand, nine hundred two".
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