Base | Representation |
---|---|
bin | 111001001100… |
… | …1110110100110 |
3 | 2002102122222020 |
4 | 1302121312212 |
5 | 30134142220 |
6 | 2550444010 |
7 | 512625210 |
oct | 162316646 |
9 | 62378866 |
10 | 29990310 |
11 | 15a24189 |
12 | a063606 |
13 | 62a075c |
14 | 3da95b0 |
15 | 2976040 |
hex | 1c99da6 |
29990310 has 32 divisors (see below), whose sum is σ = 82259712. Its totient is φ = 6854880.
The previous prime is 29990293. The next prime is 29990327. The reversal of 29990310 is 1309992.
It is an interprime number because it is at equal distance from previous prime (29990293) and next prime (29990327).
It is a super-2 number, since 2×299903102 = 1798837387792200, which contains 22 as substring.
It is a Curzon number.
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, 71196 + ... + 71615.
It is an arithmetic number, because the mean of its divisors is an integer number (2570616).
Almost surely, 229990310 is an apocalyptic number.
29990310 is an abundant number, since it is smaller than the sum of its proper divisors (52269402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29990310 is a wasteful number, since it uses less digits than its factorization.
29990310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142828.
The product of its (nonzero) digits is 4374, while the sum is 33.
The square root of 29990310 is about 5476.3409316806. The cubic root of 29990310 is about 310.6897924562.
It can be divided in two parts, 299 and 90310, that added together give a palindrome (90609).
The spelling of 29990310 in words is "twenty-nine million, nine hundred ninety thousand, three hundred ten".
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