Base | Representation |
---|---|
bin | 10010000001111… |
… | …00011001010101 |
3 | 101112120220110121 |
4 | 21000330121111 |
5 | 302204223300 |
6 | 23001351541 |
7 | 3514352503 |
oct | 1100743125 |
9 | 345526417 |
10 | 151242325 |
11 | 78410663 |
12 | 427985b1 |
13 | 25445500 |
14 | 1612d673 |
15 | d42781a |
hex | 903c655 |
151242325 has 18 divisors (see below), whose sum is σ = 203082054. Its totient is φ = 111683520.
The previous prime is 151242323. The next prime is 151242331. The reversal of 151242325 is 523242151.
It can be written as a sum of positive squares in 9 ways, for example, as 129208689 + 22033636 = 11367^2 + 4694^2 .
It is not a de Polignac number, because 151242325 - 21 = 151242323 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 151242325.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151242323) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13674 + ... + 22123.
Almost surely, 2151242325 is an apocalyptic number.
It is an amenable number.
151242325 is a deficient number, since it is larger than the sum of its proper divisors (51839729).
151242325 is a wasteful number, since it uses less digits than its factorization.
151242325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35833 (or 35815 counting only the distinct ones).
The product of its digits is 2400, while the sum is 25.
The square root of 151242325 is about 12298.0618391680. The cubic root of 151242325 is about 532.7921061128.
Adding to 151242325 its reverse (523242151), we get a palindrome (674484476).
The spelling of 151242325 in words is "one hundred fifty-one million, two hundred forty-two thousand, three hundred twenty-five".
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