Base | Representation |
---|---|
bin | 10010110001101… |
… | …00001011101111 |
3 | 101222100211120122 |
4 | 21120310023233 |
5 | 310310001033 |
6 | 23343435155 |
7 | 3621505043 |
oct | 1130641357 |
9 | 358324518 |
10 | 157500143 |
11 | 809a5209 |
12 | 448b5abb |
13 | 26826968 |
14 | 16cbc023 |
15 | dc61a98 |
hex | 96342ef |
157500143 has 4 divisors (see below), whose sum is σ = 157553760. Its totient is φ = 157446528.
The previous prime is 157500127. The next prime is 157500197. The reversal of 157500143 is 341005751.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 157500143 - 24 = 157500127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157500103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22130 + ... + 28367.
It is an arithmetic number, because the mean of its divisors is an integer number (39388440).
Almost surely, 2157500143 is an apocalyptic number.
157500143 is a deficient number, since it is larger than the sum of its proper divisors (53617).
157500143 is an equidigital number, since it uses as much as digits as its factorization.
157500143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53616.
The product of its (nonzero) digits is 2100, while the sum is 26.
The square root of 157500143 is about 12549.9060952662. The cubic root of 157500143 is about 540.0413125686.
Adding to 157500143 its reverse (341005751), we get a palindrome (498505894).
The spelling of 157500143 in words is "one hundred fifty-seven million, five hundred thousand, one hundred forty-three".
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