Search a number
-
+
84738043 = 1319536473
BaseRepresentation
bin1010000110011…
…11111111111011
312220110010202001
411003033333323
5133143104133
612224121431
72046155455
oct503177773
9186403661
1084738043
1143917a45
1224466277
131472bb70
14b37b2d5
15768c87d
hex50cfffb

84738043 has 16 divisors (see below), whose sum is σ = 97886880. Its totient is φ = 72693504.

The previous prime is 84738041. The next prime is 84738053. The reversal of 84738043 is 34083748.

It is not a de Polignac number, because 84738043 - 21 = 84738041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84737993 and 84738011.

It is not an unprimeable number, because it can be changed into a prime (84738041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9855 + ... + 16327.

It is an arithmetic number, because the mean of its divisors is an integer number (6117930).

Almost surely, 284738043 is an apocalyptic number.

84738043 is a deficient number, since it is larger than the sum of its proper divisors (13148837).

84738043 is a wasteful number, since it uses less digits than its factorization.

84738043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 84738043 is about 9205.3268817571. The cubic root of 84738043 is about 439.2308238652.

The spelling of 84738043 in words is "eighty-four million, seven hundred thirty-eight thousand, forty-three".

Divisors: 1 13 19 53 247 689 1007 6473 13091 84149 122987 343069 1598831 4459897 6518311 84738043