Base | Representation |
---|---|
bin | 110111101100… |
… | …0100100100100 |
3 | 2000221102222200 |
4 | 1233120210210 |
5 | 24433324003 |
6 | 2521454500 |
7 | 503120124 |
oct | 157304444 |
9 | 60842880 |
10 | 29198628 |
11 | 155333a8 |
12 | 9941430 |
13 | 60842c4 |
14 | 3c40c84 |
15 | 286b6a3 |
hex | 1bd8924 |
29198628 has 54 divisors (see below), whose sum is σ = 75402054. Its totient is φ = 9526848.
The previous prime is 29198627. The next prime is 29198633. The reversal of 29198628 is 82689192.
29198628 is a `hidden beast` number, since 2 + 9 + 19 + 8 + 628 = 666.
It can be written as a sum of positive squares in only one way, i.e., 21178404 + 8020224 = 4602^2 + 2832^2 .
It is not an unprimeable number, because it can be changed into a prime (29198623) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 125200 + ... + 125432.
Almost surely, 229198628 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 29198628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37701027).
29198628 is an abundant number, since it is smaller than the sum of its proper divisors (46203426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29198628 is a wasteful number, since it uses less digits than its factorization.
29198628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 361 (or 297 counting only the distinct ones).
The product of its digits is 124416, while the sum is 45.
The square root of 29198628 is about 5403.5754829557. The cubic root of 29198628 is about 307.9315218539.
The spelling of 29198628 in words is "twenty-nine million, one hundred ninety-eight thousand, six hundred twenty-eight".
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