Base | Representation |
---|---|
bin | 10010110100001… |
… | …01110000000000 |
3 | 101222222210212121 |
4 | 21122011300000 |
5 | 310401143430 |
6 | 23354534024 |
7 | 3624366064 |
oct | 1132056000 |
9 | 358883777 |
10 | 157834240 |
11 | 81103223 |
12 | 44a37314 |
13 | 26912a55 |
14 | 16d67aa4 |
15 | dccaa7a |
hex | 9685c00 |
157834240 has 88 divisors (see below), whose sum is σ = 392041440. Its totient is φ = 60899328.
The previous prime is 157834223. The next prime is 157834247. The reversal of 157834240 is 42438751.
It is a junction number, because it is equal to n+sod(n) for n = 157834196 and 157834205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157834247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147949 + ... + 149011.
Almost surely, 2157834240 is an apocalyptic number.
157834240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157834240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196020720).
157834240 is an abundant number, since it is smaller than the sum of its proper divisors (234207200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157834240 is a wasteful number, since it uses less digits than its factorization.
157834240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1117 (or 1099 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 34.
The square root of 157834240 is about 12563.2097809437. The cubic root of 157834240 is about 540.4228968915.
The spelling of 157834240 in words is "one hundred fifty-seven million, eight hundred thirty-four thousand, two hundred forty".
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