Base | Representation |
---|---|
bin | 10010000111111… |
… | …11101100000101 |
3 | 101121002112202021 |
4 | 21003333230011 |
5 | 302410322440 |
6 | 23030443141 |
7 | 3524223565 |
oct | 1103775405 |
9 | 347075667 |
10 | 152042245 |
11 | 78907653 |
12 | 42b034b1 |
13 | 25665634 |
14 | 1629ada5 |
15 | d53484a |
hex | 90ffb05 |
152042245 has 4 divisors (see below), whose sum is σ = 182450700. Its totient is φ = 121633792.
The previous prime is 152042239. The next prime is 152042249. The reversal of 152042245 is 542240251.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 90592324 + 61449921 = 9518^2 + 7839^2 .
It is a cyclic number.
It is not a de Polignac number, because 152042245 - 215 = 152009477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152042249) 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, 15204220 + ... + 15204229.
It is an arithmetic number, because the mean of its divisors is an integer number (45612675).
Almost surely, 2152042245 is an apocalyptic number.
It is an amenable number.
152042245 is a deficient number, since it is larger than the sum of its proper divisors (30408455).
152042245 is an equidigital number, since it uses as much as digits as its factorization.
152042245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30408454.
The product of its (nonzero) digits is 3200, while the sum is 25.
The square root of 152042245 is about 12330.5411478978. The cubic root of 152042245 is about 533.7297666681.
Adding to 152042245 its reverse (542240251), we get a palindrome (694282496).
The spelling of 152042245 in words is "one hundred fifty-two million, forty-two thousand, two hundred forty-five".
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