Base | Representation |
---|---|
bin | 10010101110111… |
… | …11000111011010 |
3 | 101221201010121120 |
4 | 21113133013122 |
5 | 310212323311 |
6 | 23332150110 |
7 | 3615524145 |
oct | 1127370732 |
9 | 357633546 |
10 | 157151706 |
11 | 80787448 |
12 | 44768336 |
13 | 2673419a |
14 | 16c2b05c |
15 | dbe3706 |
hex | 95df1da |
157151706 has 32 divisors (see below), whose sum is σ = 333694080. Its totient is φ = 49168896.
The previous prime is 157151681. The next prime is 157151711. The reversal of 157151706 is 607151751.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39835 + ... + 43601.
It is an arithmetic number, because the mean of its divisors is an integer number (10427940).
Almost surely, 2157151706 is an apocalyptic number.
157151706 is an abundant number, since it is smaller than the sum of its proper divisors (176542374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157151706 is a wasteful number, since it uses less digits than its factorization.
157151706 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4198.
The product of its (nonzero) digits is 7350, while the sum is 33.
The square root of 157151706 is about 12536.0163528930. The cubic root of 157151706 is about 539.6427747114.
The spelling of 157151706 in words is "one hundred fifty-seven million, one hundred fifty-one thousand, seven hundred six".
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