Search a number
-
+
29043331 = 711073823
BaseRepresentation
bin110111011001…
…0101010000011
32000122112221221
41232302222003
524413341311
62514255511
7501602302
oct156625203
960575857
1029043331
1115437759
129887597
13602b705
143c00439
15283a671
hex1bb2a83

29043331 has 8 divisors (see below), whose sum is σ = 29735424. Its totient is φ = 28359240.

The previous prime is 29043307. The next prime is 29043349. The reversal of 29043331 is 13334092.

It is a happy number.

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 29043331 - 25 = 29043299 is a prime.

It is a super-2 number, since 2×290433312 = 1687030151151122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29043296 and 29043305.

It is not an unprimeable number, because it can be changed into a prime (29023331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5686 + ... + 9508.

It is an arithmetic number, because the mean of its divisors is an integer number (3716928).

Almost surely, 229043331 is an apocalyptic number.

29043331 is a deficient number, since it is larger than the sum of its proper divisors (692093).

29043331 is a wasteful number, since it uses less digits than its factorization.

29043331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 29043331 is about 5389.1864877735. The cubic root of 29043331 is about 307.3846254544.

The spelling of 29043331 in words is "twenty-nine million, forty-three thousand, three hundred thirty-one".

Divisors: 1 71 107 3823 7597 271433 409061 29043331