Base | Representation |
---|---|
bin | 100101010001001… |
… | …001001011010001 |
3 | 1121120112001011101 |
4 | 211101021023101 |
5 | 2240031013100 |
6 | 142013144401 |
7 | 21331355200 |
oct | 4521111321 |
9 | 1546461141 |
10 | 625251025 |
11 | 2a0a35393 |
12 | 15548b101 |
13 | 9c6ca129 |
14 | 5d07b237 |
15 | 39d5986a |
hex | 254492d1 |
625251025 has 72 divisors (see below), whose sum is σ = 944002080. Its totient is φ = 409248000.
The previous prime is 625250987. The next prime is 625251047. The reversal of 625251025 is 520152526.
It is not a de Polignac number, because 625251025 - 215 = 625218257 is a prime.
It is a super-3 number, since 3×6252510253 (a number of 27 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 625250984 and 625251002.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2963170 + ... + 2963380.
It is an arithmetic number, because the mean of its divisors is an integer number (13111140).
Almost surely, 2625251025 is an apocalyptic number.
It is an amenable number.
625251025 is a deficient number, since it is larger than the sum of its proper divisors (318751055).
625251025 is a wasteful number, since it uses less digits than its factorization.
625251025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335 (or 323 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 625251025 is about 25005.0199959928. The cubic root of 625251025 is about 855.1024238070.
The spelling of 625251025 in words is "six hundred twenty-five million, two hundred fifty-one thousand, twenty-five".
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