Search a number
-
+
84811293 = 347149579
BaseRepresentation
bin1010000111000…
…01111000011101
312220120212020000
411003201320131
5133202430133
612225444513
72046612150
oct503417035
9186525200
1084811293
1143967a86
12244a0739
13147562c8
14b399c97
1576a4413
hex50e1e1d

84811293 has 20 divisors (see below), whose sum is σ = 144793440. Its totient is φ = 48463272.

The previous prime is 84811273. The next prime is 84811339. The reversal of 84811293 is 39211848.

It is not a de Polignac number, because 84811293 - 220 = 83762717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84811273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74223 + ... + 75356.

It is an arithmetic number, because the mean of its divisors is an integer number (7239672).

Almost surely, 284811293 is an apocalyptic number.

It is an amenable number.

84811293 is a deficient number, since it is larger than the sum of its proper divisors (59982147).

84811293 is a wasteful number, since it uses less digits than its factorization.

84811293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149598 (or 149589 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 84811293 is about 9209.3046968813. The cubic root of 84811293 is about 439.3573486647.

The spelling of 84811293 in words is "eighty-four million, eight hundred eleven thousand, two hundred ninety-three".

Divisors: 1 3 7 9 21 27 63 81 189 567 149579 448737 1047053 1346211 3141159 4038633 9423477 12115899 28270431 84811293