Search a number
-
+
84561341 = 5310115797
BaseRepresentation
bin1010000101001…
…00110110111101
312220010011100112
411002210312331
5133121430331
612220235405
72044521344
oct502446675
9186104315
1084561341
1143807207
122439bb65
13146995c7
14b332b5b
15765532b
hex50a4dbd

84561341 has 8 divisors (see below), whose sum is σ = 87015384. Its totient is φ = 82139200.

The previous prime is 84561331. The next prime is 84561371. The reversal of 84561341 is 14316548.

It can be written as a sum of positive squares in 4 ways, for example, as 53436100 + 31125241 = 7310^2 + 5579^2 .

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-84561341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84561298 and 84561307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84561331) 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, 2546 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (10876923).

Almost surely, 284561341 is an apocalyptic number.

It is an amenable number.

84561341 is a deficient number, since it is larger than the sum of its proper divisors (2454043).

84561341 is a wasteful number, since it uses less digits than its factorization.

84561341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15951.

The product of its digits is 11520, while the sum is 32.

The square root of 84561341 is about 9195.7240606708. The cubic root of 84561341 is about 438.9253059303.

Adding to 84561341 its reverse (14316548), we get a palindrome (98877889).

The spelling of 84561341 in words is "eighty-four million, five hundred sixty-one thousand, three hundred forty-one".

Divisors: 1 53 101 5353 15797 837241 1595497 84561341