Base | Representation |
---|---|
bin | 111000111111… |
… | …1001001011011 |
3 | 2002020002220212 |
4 | 1301333021123 |
5 | 30122142143 |
6 | 2544241335 |
7 | 511661252 |
oct | 161771133 |
9 | 62202825 |
10 | 29880923 |
11 | 15959a86 |
12 | a01024b |
13 | 6262a27 |
14 | 3d7b799 |
15 | 2953918 |
hex | 1c7f25b |
29880923 has 8 divisors (see below), whose sum is σ = 31189536. Its totient is φ = 28600000.
The previous prime is 29880919. The next prime is 29880953. The reversal of 29880923 is 32908892.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29880923 - 22 = 29880919 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29880953) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4703 + ... + 9048.
It is an arithmetic number, because the mean of its divisors is an integer number (3898692).
Almost surely, 229880923 is an apocalyptic number.
29880923 is a deficient number, since it is larger than the sum of its proper divisors (1308613).
29880923 is a wasteful number, since it uses less digits than its factorization.
29880923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13845.
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 29880923 is about 5466.3445738446. The cubic root of 29880923 is about 310.3115944330.
It can be divided in two parts, 29880 and 923, that added together give a palindrome (30803).
The spelling of 29880923 in words is "twenty-nine million, eight hundred eighty thousand, nine hundred twenty-three".
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