Base | Representation |
---|---|
bin | 1000001011100… |
… | …11010001000100 |
3 | 11210010202002000 |
4 | 10011303101010 |
5 | 120032121242 |
6 | 10450545300 |
7 | 1462225134 |
oct | 405632104 |
9 | 153122060 |
10 | 68629572 |
11 | 35815460 |
12 | 1ab98230 |
13 | 112abb1b |
14 | 9186ac4 |
15 | 6059a4c |
hex | 4173444 |
68629572 has 96 divisors (see below), whose sum is σ = 198979200. Its totient is φ = 20275200.
The previous prime is 68629571. The next prime is 68629579. The reversal of 68629572 is 27592686.
It is not an unprimeable number, because it can be changed into a prime (68629571) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48004 + ... + 49412.
It is an arithmetic number, because the mean of its divisors is an integer number (2072700).
Almost surely, 268629572 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68629572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99489600).
68629572 is an abundant number, since it is smaller than the sum of its proper divisors (130349628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68629572 is a wasteful number, since it uses less digits than its factorization.
68629572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1474 (or 1466 counting only the distinct ones).
The product of its digits is 362880, while the sum is 45.
The square root of 68629572 is about 8284.2967112483. The cubic root of 68629572 is about 409.4212973842.
The spelling of 68629572 in words is "sixty-eight million, six hundred twenty-nine thousand, five hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •