Base | Representation |
---|---|
bin | 100101011101010… |
… | …100100101011000 |
3 | 1121210112020101110 |
4 | 211131110211120 |
5 | 2241340142410 |
6 | 142205420320 |
7 | 21400452510 |
oct | 4535244530 |
9 | 1553466343 |
10 | 628443480 |
11 | 2a2815985 |
12 | 15656a6a0 |
13 | a0277262 |
14 | 5d66c840 |
15 | 3a28a720 |
hex | 25754958 |
628443480 has 128 divisors (see below), whose sum is σ = 2166497280. Its totient is φ = 142855680.
The previous prime is 628443469. The next prime is 628443493. The reversal of 628443480 is 84344826.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158482 + ... + 162398.
It is an arithmetic number, because the mean of its divisors is an integer number (16925760).
Almost surely, 2628443480 is an apocalyptic number.
628443480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 628443480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083248640).
628443480 is an abundant number, since it is smaller than the sum of its proper divisors (1538053800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
628443480 is a wasteful number, since it uses less digits than its factorization.
628443480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4129 (or 4125 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 39.
The square root of 628443480 is about 25068.7749999875. The cubic root of 628443480 is about 856.5553032088. Note that the first 3 decimals are identical.
The spelling of 628443480 in words is "six hundred twenty-eight million, four hundred forty-three thousand, four hundred eighty".
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