Base | Representation |
---|---|
bin | 10010001010110… |
… | …10000001000111 |
3 | 101121210100021110 |
4 | 21011122001013 |
5 | 303004142411 |
6 | 23042420103 |
7 | 3530324346 |
oct | 1105320107 |
9 | 347710243 |
10 | 152412231 |
11 | 7903a624 |
12 | 43061633 |
13 | 25764b6a |
14 | 16355b5d |
15 | d5a92a6 |
hex | 915a047 |
152412231 has 4 divisors (see below), whose sum is σ = 203216312. Its totient is φ = 101608152.
The previous prime is 152412229. The next prime is 152412241. The reversal of 152412231 is 132214251.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 152412231 - 21 = 152412229 is a prime.
It is a super-2 number, since 2×1524122312 = 46458976316794722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 152412198 and 152412207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152412241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25402036 + ... + 25402041.
It is an arithmetic number, because the mean of its divisors is an integer number (50804078).
Almost surely, 2152412231 is an apocalyptic number.
152412231 is a deficient number, since it is larger than the sum of its proper divisors (50804081).
152412231 is an equidigital number, since it uses as much as digits as its factorization.
152412231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50804080.
The product of its digits is 480, while the sum is 21.
The square root of 152412231 is about 12345.5348608313. The cubic root of 152412231 is about 534.1623494640.
Adding to 152412231 its reverse (132214251), we get a palindrome (284626482).
The spelling of 152412231 in words is "one hundred fifty-two million, four hundred twelve thousand, two hundred thirty-one".
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