Base | Representation |
---|---|
bin | 1100110100100… |
… | …1111010101101 |
3 | 10202012022111002 |
4 | 3031021322231 |
5 | 102231431031 |
6 | 5200410045 |
7 | 1222060262 |
oct | 315117255 |
9 | 122168432 |
10 | 53780141 |
11 | 283a28a8 |
12 | 16016925 |
13 | b1acb8c |
14 | 71dd269 |
15 | 4ac4ccb |
hex | 3349ead |
53780141 has 4 divisors (see below), whose sum is σ = 56118432. Its totient is φ = 51441852.
The previous prime is 53780137. The next prime is 53780147. The reversal of 53780141 is 14108735.
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 53780141 - 22 = 53780137 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53780147) 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, 1169111 + ... + 1169156.
It is an arithmetic number, because the mean of its divisors is an integer number (14029608).
Almost surely, 253780141 is an apocalyptic number.
It is an amenable number.
53780141 is a deficient number, since it is larger than the sum of its proper divisors (2338291).
53780141 is a wasteful number, since it uses less digits than its factorization.
53780141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2338290.
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 53780141 is about 7333.4944603511. The cubic root of 53780141 is about 377.4626450179.
Adding to 53780141 its reverse (14108735), we get a palindrome (67888876).
The spelling of 53780141 in words is "fifty-three million, seven hundred eighty thousand, one hundred forty-one".
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