Base | Representation |
---|---|
bin | 11101010011111… |
… | …10100011010000 |
3 | 122010200020222220 |
4 | 32221332203100 |
5 | 1000421311021 |
6 | 40222101040 |
7 | 6043663200 |
oct | 1651764320 |
9 | 563606886 |
10 | 245885136 |
11 | 116883162 |
12 | 6a41a780 |
13 | 3bc31783 |
14 | 24928400 |
15 | 168becc6 |
hex | ea7e8d0 |
245885136 has 60 divisors (see below), whose sum is σ = 738916992. Its totient is φ = 70252224.
The previous prime is 245885131. The next prime is 245885147. The reversal of 245885136 is 631588542.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245885131) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49920 + ... + 54623.
Almost surely, 2245885136 is an apocalyptic number.
It is an amenable number.
245885136 is an abundant number, since it is smaller than the sum of its proper divisors (493031856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245885136 is a wasteful number, since it uses less digits than its factorization.
245885136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104568 (or 104555 counting only the distinct ones).
The product of its digits is 230400, while the sum is 42.
The square root of 245885136 is about 15680.7249832398. The cubic root of 245885136 is about 626.4851176723.
The spelling of 245885136 in words is "two hundred forty-five million, eight hundred eighty-five thousand, one hundred thirty-six".
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