Search a number
-
+
70285868 = 2247373861
BaseRepresentation
bin1000011000001…
…11101000101100
311220020220002022
410030013220230
5120443121433
610550245312
71512264032
oct414075054
9156226068
1070285868
11367468a4
121b656838
131173b993
149498552
156285698
hex4307a2c

70285868 has 12 divisors (see below), whose sum is σ = 125617632. Its totient is φ = 34395120.

The previous prime is 70285867. The next prime is 70285877. The reversal of 70285868 is 86858207.

It is not an unprimeable number, because it can be changed into a prime (70285867) 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 3 ways as a sum of consecutive naturals, for example, 186743 + ... + 187118.

It is an arithmetic number, because the mean of its divisors is an integer number (10468136).

Almost surely, 270285868 is an apocalyptic number.

It is an amenable number.

70285868 is a deficient number, since it is larger than the sum of its proper divisors (55331764).

70285868 is a wasteful number, since it uses less digits than its factorization.

70285868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373912 (or 373910 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 70285868 is about 8383.6667395597. Note that the first 3 decimals coincide. The cubic root of 70285868 is about 412.6887887599.

The spelling of 70285868 in words is "seventy million, two hundred eighty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 47 94 188 373861 747722 1495444 17571467 35142934 70285868