Base | Representation |
---|---|
bin | 10010001000100… |
… | …11001101011101 |
3 | 101121020121102202 |
4 | 21010103031131 |
5 | 302420402310 |
6 | 23032301245 |
7 | 3525005654 |
oct | 1104231535 |
9 | 347217382 |
10 | 152122205 |
11 | 78961734 |
12 | 42b41825 |
13 | 25692b51 |
14 | 162bc19b |
15 | d54d3a5 |
hex | 911335d |
152122205 has 16 divisors (see below), whose sum is σ = 194139504. Its totient is φ = 114032640.
The previous prime is 152122193. The next prime is 152122211. The reversal of 152122205 is 502221251.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 68644 + 152053561 = 262^2 + 12331^2 .
It is not a de Polignac number, because 152122205 - 218 = 151860061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 15965 + ... + 23645.
It is an arithmetic number, because the mean of its divisors is an integer number (12133719).
Almost surely, 2152122205 is an apocalyptic number.
It is an amenable number.
152122205 is a deficient number, since it is larger than the sum of its proper divisors (42017299).
152122205 is a wasteful number, since it uses less digits than its factorization.
152122205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7936.
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 152122205 is about 12333.7830773855. The cubic root of 152122205 is about 533.8233142496.
Adding to 152122205 its reverse (502221251), we get a palindrome (654343456).
The spelling of 152122205 in words is "one hundred fifty-two million, one hundred twenty-two thousand, two hundred five".
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