Base | Representation |
---|---|
bin | 11101001110101… |
… | …11000000101000 |
3 | 122002101101122022 |
4 | 32213113000220 |
5 | 1000232331023 |
6 | 40155244012 |
7 | 6035104364 |
oct | 1647270050 |
9 | 562341568 |
10 | 245198888 |
11 | 116454610 |
12 | 6a149608 |
13 | 3ba512cc |
14 | 247ca2a4 |
15 | 167d67c8 |
hex | e9d7028 |
245198888 has 64 divisors (see below), whose sum is σ = 533977920. Its totient is φ = 104320000.
The previous prime is 245198887. The next prime is 245198893. The reversal of 245198888 is 888891542.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (245198887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375170 + ... + 375822.
It is an arithmetic number, because the mean of its divisors is an integer number (8343405).
Almost surely, 2245198888 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 245198888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266988960).
245198888 is an abundant number, since it is smaller than the sum of its proper divisors (288779032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245198888 is a wasteful number, since it uses less digits than its factorization.
245198888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 938 (or 934 counting only the distinct ones).
The product of its digits is 1474560, while the sum is 53.
The square root of 245198888 is about 15658.8277977632. The cubic root of 245198888 is about 625.9017494244.
The spelling of 245198888 in words is "two hundred forty-five million, one hundred ninety-eight thousand, eight hundred eighty-eight".
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