Base | Representation |
---|---|
bin | 100101011010110… |
… | …100110100000000 |
3 | 1121202021222200112 |
4 | 211122310310000 |
5 | 2241203222211 |
6 | 142143410452 |
7 | 21362055536 |
oct | 4532646400 |
9 | 1552258615 |
10 | 627789056 |
11 | 2a2409234 |
12 | 1562b3a28 |
13 | a00a841b |
14 | 5d53c156 |
15 | 3a1ab88b |
hex | 256b4d00 |
627789056 has 36 divisors (see below), whose sum is σ = 1326848292. Its totient is φ = 295428096.
The previous prime is 627789053. The next prime is 627789059. The reversal of 627789056 is 650987726.
It is an interprime number because it is at equal distance from previous prime (627789053) and next prime (627789059).
It can be written as a sum of positive squares in 2 ways, for example, as 556960000 + 70829056 = 23600^2 + 8416^2 .
It is a super-2 number, since 2×6277890562 = 788238197666742272, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 627788995 and 627789013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (627789053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67775 + ... + 76478.
It is an arithmetic number, because the mean of its divisors is an integer number (36856897).
Almost surely, 2627789056 is an apocalyptic number.
It is an amenable number.
627789056 is an abundant number, since it is smaller than the sum of its proper divisors (699059236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
627789056 is a wasteful number, since it uses less digits than its factorization.
627789056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144286 (or 144272 counting only the distinct ones).
The product of its (nonzero) digits is 1270080, while the sum is 50.
The square root of 627789056 is about 25055.7190277988. The cubic root of 627789056 is about 856.2578778752.
The spelling of 627789056 in words is "six hundred twenty-seven million, seven hundred eighty-nine thousand, fifty-six".
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