Base | Representation |
---|---|
bin | 10010001000101… |
… | …01011111000110 |
3 | 101121021002012222 |
4 | 21010111133012 |
5 | 302421202101 |
6 | 23032412342 |
7 | 3525045101 |
oct | 1104253706 |
9 | 347232188 |
10 | 152131526 |
11 | 78968738 |
12 | 42b470b2 |
13 | 25697171 |
14 | 162c1738 |
15 | d55101b |
hex | 91157c6 |
152131526 has 4 divisors (see below), whose sum is σ = 228197292. Its totient is φ = 76065762.
The previous prime is 152131523. The next prime is 152131547. The reversal of 152131526 is 625131251.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 625131251 = 5693 ⋅109807.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 152131495 and 152131504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152131523) by changing a digit.
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 as a sum of consecutive naturals, namely, 38032880 + ... + 38032883.
It is an arithmetic number, because the mean of its divisors is an integer number (57049323).
Almost surely, 2152131526 is an apocalyptic number.
152131526 is a deficient number, since it is larger than the sum of its proper divisors (76065766).
152131526 is an equidigital number, since it uses as much as digits as its factorization.
152131526 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76065765.
The product of its digits is 1800, while the sum is 26.
The square root of 152131526 is about 12334.1609361967. The cubic root of 152131526 is about 533.8342170311.
Adding to 152131526 its reverse (625131251), we get a palindrome (777262777).
The spelling of 152131526 in words is "one hundred fifty-two million, one hundred thirty-one thousand, five hundred twenty-six".
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