Base | Representation |
---|---|
bin | 10010000111110… |
… | …10101111110001 |
3 | 101121001111222111 |
4 | 21003322233301 |
5 | 302404201001 |
6 | 23030205321 |
7 | 3524110555 |
oct | 1103725761 |
9 | 347044874 |
10 | 152022001 |
11 | 788a341a |
12 | 42ab3841 |
13 | 25659361 |
14 | 16293865 |
15 | d52d851 |
hex | 90fabf1 |
152022001 has 8 divisors (see below), whose sum is σ = 153314984. Its totient is φ = 150733440.
The previous prime is 152021993. The next prime is 152022023. The reversal of 152022001 is 100220251.
It can be written as a sum of positive squares in 4 ways, for example, as 87235600 + 64786401 = 9340^2 + 8049^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 152022001 - 23 = 152021993 is a prime.
It is a super-2 number, since 2×1520220012 = 46221377576088002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152022061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114421 + ... + 115741.
It is an arithmetic number, because the mean of its divisors is an integer number (19164373).
Almost surely, 2152022001 is an apocalyptic number.
It is an amenable number.
152022001 is a deficient number, since it is larger than the sum of its proper divisors (1292983).
152022001 is a wasteful number, since it uses less digits than its factorization.
152022001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2211.
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 152022001 is about 12329.7202320247. The cubic root of 152022001 is about 533.7060774077.
Adding to 152022001 its reverse (100220251), we get a palindrome (252242252).
It can be divided in two parts, 15202200 and 1, that added together give a square (15202201 = 38992).
The spelling of 152022001 in words is "one hundred fifty-two million, twenty-two thousand, one".
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