Search a number
-
+
84548401 = 797239521
BaseRepresentation
bin1010000101000…
…01101100110001
312220002111121021
411002201230301
5133121022101
612220055441
72044435540
oct502415461
9186074537
1084548401
11437a8513
1224394581
1314693752
14b32c157
1576515a1
hex50a1b31

84548401 has 16 divisors (see below), whose sum is σ = 98219520. Its totient is φ = 71285760.

The previous prime is 84548393. The next prime is 84548419. The reversal of 84548401 is 10484548.

It is not a de Polignac number, because 84548401 - 23 = 84548393 is a prime.

It is a super-4 number, since 4×845484014 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (84548491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162021 + ... + 162541.

It is an arithmetic number, because the mean of its divisors is an integer number (6138720).

Almost surely, 284548401 is an apocalyptic number.

It is an amenable number.

84548401 is a deficient number, since it is larger than the sum of its proper divisors (13671119).

84548401 is a wasteful number, since it uses less digits than its factorization.

84548401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 84548401 is about 9195.0204458718. The cubic root of 84548401 is about 438.9029159385.

The spelling of 84548401 in words is "eighty-four million, five hundred forty-eight thousand, four hundred one".

Divisors: 1 7 97 239 521 679 1673 3647 23183 50537 124519 162281 353759 871633 12078343 84548401