Base | Representation |
---|---|
bin | 1110100111001… |
… | …1011001000101 |
3 | 11021022212010222 |
4 | 3221303121011 |
5 | 111142240203 |
6 | 10025354125 |
7 | 1342646126 |
oct | 351633105 |
9 | 137285128 |
10 | 61290053 |
11 | 31662140 |
12 | 18638945 |
13 | c90c206 |
14 | 81d604d |
15 | 55aa038 |
hex | 3a73645 |
61290053 has 8 divisors (see below), whose sum is σ = 67373856. Its totient is φ = 55291600.
The previous prime is 61290041. The next prime is 61290109. The reversal of 61290053 is 35009216.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61290053 - 24 = 61290037 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61290013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19826 + ... + 22707.
It is an arithmetic number, because the mean of its divisors is an integer number (8421732).
Almost surely, 261290053 is an apocalyptic number.
It is an amenable number.
61290053 is a deficient number, since it is larger than the sum of its proper divisors (6083803).
61290053 is a wasteful number, since it uses less digits than its factorization.
61290053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42675.
The product of its (nonzero) digits is 1620, while the sum is 26.
The square root of 61290053 is about 7828.7963953599. The cubic root of 61290053 is about 394.2726624927.
Adding to 61290053 its reverse (35009216), we get a palindrome (96299269).
The spelling of 61290053 in words is "sixty-one million, two hundred ninety thousand, fifty-three".
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