Base | Representation |
---|---|
bin | 100101010000011… |
… | …010101111000001 |
3 | 1121120011101020001 |
4 | 211100122233001 |
5 | 2240003421201 |
6 | 142005120001 |
7 | 21326633461 |
oct | 4520325701 |
9 | 1546141201 |
10 | 625060801 |
11 | 2a0915482 |
12 | 1553b9001 |
13 | 9c661681 |
14 | 5d02bba1 |
15 | 39d1d301 |
hex | 2541abc1 |
625060801 has 8 divisors (see below), whose sum is σ = 629045000. Its totient is φ = 621084672.
The previous prime is 625060789. The next prime is 625060829. The reversal of 625060801 is 108060526.
It can be written as a sum of positive squares in 4 ways, for example, as 42562576 + 582498225 = 6524^2 + 24135^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a 3-Lehmer number, since φ(625060801) divides (625060801-1)3.
It is a cyclic number.
It is a Carmichael number.
It is not a de Polignac number, because 625060801 - 213 = 625052609 is a prime.
It is a deceptive number, since it divides R625060800.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 625060801.
It is not an unprimeable number, because it can be changed into a prime (625060831) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 239761 + ... + 242353.
It is an arithmetic number, because the mean of its divisors is an integer number (78630625).
It is a Poulet number, since it divides 2625060800-1.
Almost surely, 2625060801 is an apocalyptic number.
It is an amenable number.
625060801 is a deficient number, since it is larger than the sum of its proper divisors (3984199).
625060801 is a wasteful number, since it uses less digits than its factorization.
625060801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4035.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 625060801 is about 25001.2159904273. The cubic root of 625060801 is about 855.0156973054.
The spelling of 625060801 in words is "six hundred twenty-five million, sixty thousand, eight hundred one".
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