Base | Representation |
---|---|
bin | 1110100011100… |
… | …1101011000101 |
3 | 11020212211211211 |
4 | 3220321223011 |
5 | 111112204022 |
6 | 10020331421 |
7 | 1340642641 |
oct | 350715305 |
9 | 136784754 |
10 | 61053637 |
11 | 31510557 |
12 | 18543b71 |
13 | c858718 |
14 | 8173c21 |
15 | 555ee77 |
hex | 3a39ac5 |
61053637 has 4 divisors (see below), whose sum is σ = 61175520. Its totient is φ = 60931756.
The previous prime is 61053617. The next prime is 61053659. The reversal of 61053637 is 73635016.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 61053637 - 219 = 60529349 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a zygodrome in base 15.
It is a junction number, because it is equal to n+sod(n) for n = 61053599 and 61053608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61053617) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60187 + ... + 61192.
It is an arithmetic number, because the mean of its divisors is an integer number (15293880).
Almost surely, 261053637 is an apocalyptic number.
It is an amenable number.
61053637 is a deficient number, since it is larger than the sum of its proper divisors (121883).
61053637 is a wasteful number, since it uses less digits than its factorization.
61053637 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121882.
The product of its (nonzero) digits is 11340, while the sum is 31.
The square root of 61053637 is about 7813.6826784814. The cubic root of 61053637 is about 393.7650625967.
The spelling of 61053637 in words is "sixty-one million, fifty-three thousand, six hundred thirty-seven".
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