Base | Representation |
---|---|
bin | 11101010100001… |
… | …00111101010100 |
3 | 122010201120222220 |
4 | 32222010331110 |
5 | 1000423131010 |
6 | 40222422340 |
7 | 6044132541 |
oct | 1652047524 |
9 | 563646886 |
10 | 245911380 |
11 | 1168a0950 |
12 | 6a4319b0 |
13 | 3bc406c0 |
14 | 24933bc8 |
15 | 168c7970 |
hex | ea84f54 |
245911380 has 96 divisors (see below), whose sum is σ = 808956288. Its totient is φ = 55027200.
The previous prime is 245911349. The next prime is 245911403. The reversal of 245911380 is 83119542.
245911380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
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, 5751 + ... + 22910.
It is an arithmetic number, because the mean of its divisors is an integer number (8426628).
Almost surely, 2245911380 is an apocalyptic number.
245911380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245911380 is an abundant number, since it is smaller than the sum of its proper divisors (563044908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245911380 is a wasteful number, since it uses less digits than its factorization.
245911380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28697 (or 28695 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 245911380 is about 15681.5617844652. The cubic root of 245911380 is about 626.5074057086.
The spelling of 245911380 in words is "two hundred forty-five million, nine hundred eleven thousand, three hundred eighty".
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