Base | Representation |
---|---|
bin | 111001001100… |
… | …1100010111010 |
3 | 2002102121020120 |
4 | 1302121202322 |
5 | 30134122200 |
6 | 2550434110 |
7 | 512621430 |
oct | 162314272 |
9 | 62377216 |
10 | 29989050 |
11 | 15a23243 |
12 | a062936 |
13 | 62a0000 |
14 | 3da8d50 |
15 | 29759a0 |
hex | 1c998ba |
29989050 has 120 divisors (see below), whose sum is σ = 92080416. Its totient is φ = 6327360.
The previous prime is 29989027. The next prime is 29989109. The reversal of 29989050 is 5098992.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 29988993 and 29989011.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2306844 + ... + 2306856.
Almost surely, 229989050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 29989050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46040208).
29989050 is an abundant number, since it is smaller than the sum of its proper divisors (62091366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29989050 is an equidigital number, since it uses as much as digits as its factorization.
29989050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74 (or 30 counting only the distinct ones).
The product of its (nonzero) digits is 58320, while the sum is 42.
The square root of 29989050 is about 5476.2258901546. The cubic root of 29989050 is about 310.6854413327.
Multiplying 29989050 by its sum of digits (42), we get a square (1259540100 = 354902).
29989050 divided by its sum of digits (42) gives a square (714025 = 8452).
The spelling of 29989050 in words is "twenty-nine million, nine hundred eighty-nine thousand, fifty".
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