Search a number
-
+
84972685 = 575941149
BaseRepresentation
bin1010001000010…
…01010010001101
312220220001121111
411010021102031
5133223111220
612233132021
72051153530
oct504112215
9186801544
1084972685
1143a68266
122455a011
13147b18c5
14b3dca17
1576d715a
hex510948d

84972685 has 16 divisors (see below), whose sum is σ = 118512000. Its totient is φ = 57278016.

The previous prime is 84972673. The next prime is 84972707. The reversal of 84972685 is 58627948.

It is a cyclic number.

It is not a de Polignac number, because 84972685 - 217 = 84841613 is a prime.

It is a super-2 number, since 2×849726852 = 14440714392218450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18510 + ... + 22639.

It is an arithmetic number, because the mean of its divisors is an integer number (7407000).

Almost surely, 284972685 is an apocalyptic number.

It is an amenable number.

84972685 is a deficient number, since it is larger than the sum of its proper divisors (33539315).

84972685 is a wasteful number, since it uses less digits than its factorization.

84972685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41220.

The product of its digits is 967680, while the sum is 49.

The square root of 84972685 is about 9218.0629743998. The cubic root of 84972685 is about 439.6358643650.

The spelling of 84972685 in words is "eighty-four million, nine hundred seventy-two thousand, six hundred eighty-five".

Divisors: 1 5 7 35 59 295 413 2065 41149 205745 288043 1440215 2427791 12138955 16994537 84972685