Base | Representation |
---|---|
bin | 10010001000100… |
… | …11100110011001 |
3 | 101121020200121212 |
4 | 21010103212121 |
5 | 302420430201 |
6 | 23032312505 |
7 | 3525013424 |
oct | 1104234631 |
9 | 347220555 |
10 | 152123801 |
11 | 78962955 |
12 | 42b42735 |
13 | 256937ab |
14 | 162bc9bb |
15 | d54dabb |
hex | 9113999 |
152123801 has 2 divisors, whose sum is σ = 152123802. Its totient is φ = 152123800.
The previous prime is 152123791. The next prime is 152123831. The reversal of 152123801 is 108321251.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 79192201 + 72931600 = 8899^2 + 8540^2 .
It is an emirp because it is prime and its reverse (108321251) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-152123801 is a prime.
It is not a weakly prime, because it can be changed into another prime (152123831) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76061900 + 76061901.
It is an arithmetic number, because the mean of its divisors is an integer number (76061901).
Almost surely, 2152123801 is an apocalyptic number.
It is an amenable number.
152123801 is a deficient number, since it is larger than the sum of its proper divisors (1).
152123801 is an equidigital number, since it uses as much as digits as its factorization.
152123801 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 152123801 is about 12333.8477775591. The cubic root of 152123801 is about 533.8251811238.
The spelling of 152123801 in words is "one hundred fifty-two million, one hundred twenty-three thousand, eight hundred one".
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