Base | Representation |
---|---|
bin | 10010110100000… |
… | …11111111101111 |
3 | 101222222110000111 |
4 | 21122003333233 |
5 | 310400431210 |
6 | 23354440451 |
7 | 3624336121 |
oct | 1132037757 |
9 | 358873014 |
10 | 157827055 |
11 | 810a8891 |
12 | 44a33127 |
13 | 2690c6b9 |
14 | 16d65211 |
15 | dcc888a |
hex | 9683fef |
157827055 has 4 divisors (see below), whose sum is σ = 189392472. Its totient is φ = 126261640.
The previous prime is 157827037. The next prime is 157827067. The reversal of 157827055 is 550728751.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550728751 = 47 ⋅11717633.
It is a de Polignac number, because none of the positive numbers 2k-157827055 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 157826999 and 157827017.
It is a congruent number.
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, 15782701 + ... + 15782710.
It is an arithmetic number, because the mean of its divisors is an integer number (47348118).
Almost surely, 2157827055 is an apocalyptic number.
157827055 is a deficient number, since it is larger than the sum of its proper divisors (31565417).
157827055 is an equidigital number, since it uses as much as digits as its factorization.
157827055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31565416.
The product of its (nonzero) digits is 98000, while the sum is 40.
The square root of 157827055 is about 12562.9238236965. The cubic root of 157827055 is about 540.4146963104.
The spelling of 157827055 in words is "one hundred fifty-seven million, eight hundred twenty-seven thousand, fifty-five".
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