Base | Representation |
---|---|
bin | 11101010000100… |
… | …00111010101000 |
3 | 122002211102222220 |
4 | 32220100322220 |
5 | 1000312423242 |
6 | 40204314040 |
7 | 6040113030 |
oct | 1650207250 |
9 | 562742886 |
10 | 245436072 |
11 | 1165a6832 |
12 | 6a242920 |
13 | 3bb0525b |
14 | 2484c8c0 |
15 | 16831bec |
hex | ea10ea8 |
245436072 has 128 divisors (see below), whose sum is σ = 781747200. Its totient is φ = 62512128.
The previous prime is 245436067. The next prime is 245436097. The reversal of 245436072 is 270634542.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52003 + ... + 56525.
It is an arithmetic number, because the mean of its divisors is an integer number (6107400).
Almost surely, 2245436072 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 245436072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390873600).
245436072 is an abundant number, since it is smaller than the sum of its proper divisors (536311128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245436072 is a wasteful number, since it uses less digits than its factorization.
245436072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4575 (or 4571 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 33.
The square root of 245436072 is about 15666.3994587142. The cubic root of 245436072 is about 626.1034986253.
The spelling of 245436072 in words is "two hundred forty-five million, four hundred thirty-six thousand, seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •