Base | Representation |
---|---|
bin | 11110000110110… |
… | …11001000011001 |
3 | 122121020011102120 |
4 | 33003123020121 |
5 | 1004123241201 |
6 | 41021051453 |
7 | 6154455201 |
oct | 1703331031 |
9 | 577204376 |
10 | 252555801 |
11 | 11a619a03 |
12 | 706b6b89 |
13 | 40428b04 |
14 | 25783401 |
15 | 1728b536 |
hex | f0db219 |
252555801 has 16 divisors (see below), whose sum is σ = 353960064. Its totient is φ = 159868544.
The previous prime is 252555781. The next prime is 252555827. The reversal of 252555801 is 108555252.
252555801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 252555801 - 219 = 252031513 is a prime.
It is not an unprimeable number, because it can be changed into a prime (252555871) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3906 + ... + 22811.
It is an arithmetic number, because the mean of its divisors is an integer number (22122504).
Almost surely, 2252555801 is an apocalyptic number.
It is an amenable number.
252555801 is a deficient number, since it is larger than the sum of its proper divisors (101404263).
252555801 is a wasteful number, since it uses less digits than its factorization.
252555801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26880.
The product of its (nonzero) digits is 20000, while the sum is 33.
The square root of 252555801 is about 15892.0043103442. The cubic root of 252555801 is about 632.0999890202.
It can be divided in two parts, 252555 and 801, that multiplied together give a triangular number (202296555 = T20114).
The spelling of 252555801 in words is "two hundred fifty-two million, five hundred fifty-five thousand, eight hundred one".
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