Base | Representation |
---|---|
bin | 110111100000… |
… | …1011100111010 |
3 | 2000202122002100 |
4 | 1233001130322 |
5 | 24422311210 |
6 | 2515444230 |
7 | 502244052 |
oct | 157013472 |
9 | 60678070 |
10 | 29103930 |
11 | 15479239 |
12 | 98b6676 |
13 | 605017b |
14 | 3c18562 |
15 | 284d5c0 |
hex | 1bc173a |
29103930 has 24 divisors (see below), whose sum is σ = 75670452. Its totient is φ = 7761024.
The previous prime is 29103923. The next prime is 29103937. The reversal of 29103930 is 3930192.
It is an interprime number because it is at equal distance from previous prime (29103923) and next prime (29103937).
It can be written as a sum of positive squares in 2 ways, for example, as 28740321 + 363609 = 5361^2 + 603^2 .
It is a junction number, because it is equal to n+sod(n) for n = 29103894 and 29103903.
It is not an unprimeable number, because it can be changed into a prime (29103937) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161599 + ... + 161778.
Almost surely, 229103930 is an apocalyptic number.
29103930 is an abundant number, since it is smaller than the sum of its proper divisors (46566522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29103930 is a wasteful number, since it uses less digits than its factorization.
29103930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 323390 (or 323387 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
The square root of 29103930 is about 5394.8058352456. The cubic root of 29103930 is about 307.5982632620.
The spelling of 29103930 in words is "twenty-nine million, one hundred three thousand, nine hundred thirty".
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