Base | Representation |
---|---|
bin | 10010110001001… |
… | …10110101101000 |
3 | 101222021001121002 |
4 | 21120212311220 |
5 | 310301223410 |
6 | 23342334132 |
7 | 3621156503 |
oct | 1130466550 |
9 | 358231532 |
10 | 157445480 |
11 | 80968135 |
12 | 4488a348 |
13 | 26807b0a |
14 | 16ca613a |
15 | dc507a5 |
hex | 9626d68 |
157445480 has 16 divisors (see below), whose sum is σ = 354252420. Its totient is φ = 62978176.
The previous prime is 157445479. The next prime is 157445507. The reversal of 157445480 is 84544751.
157445480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 157201444 + 244036 = 12538^2 + 494^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968029 + ... + 1968108.
Almost surely, 2157445480 is an apocalyptic number.
157445480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
157445480 is an abundant number, since it is smaller than the sum of its proper divisors (196806940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157445480 is a wasteful number, since it uses less digits than its factorization.
157445480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3936148 (or 3936144 counting only the distinct ones).
The product of its (nonzero) digits is 89600, while the sum is 38.
The square root of 157445480 is about 12547.7280812106. The cubic root of 157445480 is about 539.9788286167.
The spelling of 157445480 in words is "one hundred fifty-seven million, four hundred forty-five thousand, four hundred eighty".
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