Base | Representation |
---|---|
bin | 11100100000010… |
… | …00000101000100 |
3 | 121122220222002102 |
4 | 32100020011010 |
5 | 442202432140 |
6 | 35420531232 |
7 | 5632250045 |
oct | 1620100504 |
9 | 548828072 |
10 | 239108420 |
11 | 112a74771 |
12 | 680b0b18 |
13 | 3a6cb095 |
14 | 23a828cc |
15 | 15ed1e15 |
hex | e408144 |
239108420 has 12 divisors (see below), whose sum is σ = 502127724. Its totient is φ = 95643360.
The previous prime is 239108413. The next prime is 239108473. The reversal of 239108420 is 24801932.
It can be written as a sum of positive squares in 2 ways, for example, as 106213636 + 132894784 = 10306^2 + 11528^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5977691 + ... + 5977730.
It is an arithmetic number, because the mean of its divisors is an integer number (41843977).
Almost surely, 2239108420 is an apocalyptic number.
239108420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
239108420 is an abundant number, since it is smaller than the sum of its proper divisors (263019304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
239108420 is a wasteful number, since it uses less digits than its factorization.
239108420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11955430 (or 11955428 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 239108420 is about 15463.1309895506. The cubic root of 239108420 is about 620.6760056378.
The spelling of 239108420 in words is "two hundred thirty-nine million, one hundred eight thousand, four hundred twenty".
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