Search a number
-
+
70284886 = 275020349
BaseRepresentation
bin1000011000001…
…11011001010110
311220020211201221
410030013121112
5120443104021
610550240554
71512261130
oct414073126
9156224657
1070284886
1136746091
121b65615a
131173b3b9
149498050
156285241
hex4307656

70284886 has 8 divisors (see below), whose sum is σ = 120488400. Its totient is φ = 30122088.

The previous prime is 70284869. The next prime is 70284889. The reversal of 70284886 is 68848207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70284889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2510161 + ... + 2510188.

It is an arithmetic number, because the mean of its divisors is an integer number (15061050).

Almost surely, 270284886 is an apocalyptic number.

70284886 is a deficient number, since it is larger than the sum of its proper divisors (50203514).

70284886 is a wasteful number, since it uses less digits than its factorization.

70284886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020358.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 70284886 is about 8383.6081730959. The cubic root of 70284886 is about 412.6868667886.

The spelling of 70284886 in words is "seventy million, two hundred eighty-four thousand, eight hundred eighty-six".

Divisors: 1 2 7 14 5020349 10040698 35142443 70284886