Base | Representation |
---|---|
bin | 1100101111000… |
… | …1100001010111 |
3 | 10201111220211002 |
4 | 3023301201113 |
5 | 102133334241 |
6 | 5144533515 |
7 | 1216021550 |
oct | 313614127 |
9 | 121456732 |
10 | 53418071 |
11 | 28175873 |
12 | 15a8129b |
13 | b0b4135 |
14 | 7147327 |
15 | 4a5289b |
hex | 32f1857 |
53418071 has 8 divisors (see below), whose sum is σ = 61294464. Its totient is φ = 45603000.
The previous prime is 53418061. The next prime is 53418073. The reversal of 53418071 is 17081435.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-53418071 is a prime.
It is a super-2 number, since 2×534180712 = 5706980618722082, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53418073) 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, 13445 + ... + 16958.
It is an arithmetic number, because the mean of its divisors is an integer number (7661808).
Almost surely, 253418071 is an apocalyptic number.
53418071 is a deficient number, since it is larger than the sum of its proper divisors (7876393).
53418071 is a wasteful number, since it uses less digits than its factorization.
53418071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30661.
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 53418071 is about 7308.7667222316. The cubic root of 53418071 is about 376.6136590594.
The spelling of 53418071 in words is "fifty-three million, four hundred eighteen thousand, seventy-one".
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