Base | Representation |
---|---|
bin | 100101011101110… |
… | …100000101000000 |
3 | 1121210202210100020 |
4 | 211131310011000 |
5 | 2241403304410 |
6 | 142212253440 |
7 | 21401530554 |
oct | 4535640500 |
9 | 1553683306 |
10 | 628572480 |
11 | 2a28a3898 |
12 | 156611280 |
13 | a02c0ba3 |
14 | 5d6a3864 |
15 | 3a2b3a70 |
hex | 25774140 |
628572480 has 112 divisors (see below), whose sum is σ = 2014362240. Its totient is φ = 166053888.
The previous prime is 628572473. The next prime is 628572509. The reversal of 628572480 is 84275826.
It is a happy number.
It is a super-2 number, since 2×6285724802 = 790206725226700800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101637 + ... + 107643.
Almost surely, 2628572480 is an apocalyptic number.
628572480 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 628572480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007181120).
628572480 is an abundant number, since it is smaller than the sum of its proper divisors (1385789760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
628572480 is a wasteful number, since it uses less digits than its factorization.
628572480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6136 (or 6126 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 42.
The square root of 628572480 is about 25071.3477898576. The cubic root of 628572480 is about 856.6139072987.
The spelling of 628572480 in words is "six hundred twenty-eight million, five hundred seventy-two thousand, four hundred eighty".
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