Base | Representation |
---|---|
bin | 10010110100001… |
… | …00111010010001 |
3 | 101222222122011020 |
4 | 21122010322101 |
5 | 310401041201 |
6 | 23354510053 |
7 | 3624353052 |
oct | 1132047221 |
9 | 358878136 |
10 | 157830801 |
11 | 81100687 |
12 | 44a35329 |
13 | 2691130b |
14 | 16d66729 |
15 | dcc9a36 |
hex | 9684e91 |
157830801 has 8 divisors (see below), whose sum is σ = 212372160. Its totient is φ = 104254992.
The previous prime is 157830797. The next prime is 157830809. The reversal of 157830801 is 108038751.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 157830801 - 22 = 157830797 is a prime.
It is not an unprimeable number, because it can be changed into a prime (157830809) 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, 241005 + ... + 241658.
It is an arithmetic number, because the mean of its divisors is an integer number (26546520).
Almost surely, 2157830801 is an apocalyptic number.
It is an amenable number.
157830801 is a deficient number, since it is larger than the sum of its proper divisors (54541359).
157830801 is a wasteful number, since it uses less digits than its factorization.
157830801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 482775.
The product of its (nonzero) digits is 6720, while the sum is 33.
The square root of 157830801 is about 12563.0729123093. The cubic root of 157830801 is about 540.4189718288.
The spelling of 157830801 in words is "one hundred fifty-seven million, eight hundred thirty thousand, eight hundred one".
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