Base | Representation |
---|---|
bin | 100101011011101… |
… | …111000000111100 |
3 | 1121202202002201000 |
4 | 211123233000330 |
5 | 2241233334302 |
6 | 142152450300 |
7 | 21364100553 |
oct | 4533570074 |
9 | 1552662630 |
10 | 628027452 |
11 | 2a2561358 |
12 | 1563a9990 |
13 | a015caa0 |
14 | 5d5a0d9a |
15 | 3a20731c |
hex | 256ef03c |
628027452 has 96 divisors (see below), whose sum is σ = 1782455360. Its totient is φ = 190045440.
The previous prime is 628027429. The next prime is 628027453. The reversal of 628027452 is 254720826.
628027452 is a `hidden beast` number, since 628 + 0 + 27 + 4 + 5 + 2 = 666.
It is a super-2 number, since 2×6280274522 = 788836960931224608, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (628027453) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81978 + ... + 89310.
Almost surely, 2628027452 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 628027452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891227680).
628027452 is an abundant number, since it is smaller than the sum of its proper divisors (1154427908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
628027452 is a wasteful number, since it uses less digits than its factorization.
628027452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7420 (or 7412 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 628027452 is about 25060.4758933265. The cubic root of 628027452 is about 856.3662490008.
The spelling of 628027452 in words is "six hundred twenty-eight million, twenty-seven thousand, four hundred fifty-two".
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