[go: up one dir, main page]

Search a number
-
+
29320931 = 612292099
BaseRepresentation
bin110111111011…
…0011011100011
32001011122202102
41233312123203
530001232211
62524241015
7504136523
oct157663343
961148672
1029320931
1115607282
1299a016b
1360c7b83
143c73683
152892a3b
hex1bf66e3

29320931 has 8 divisors (see below), whose sum is σ = 29946000. Its totient is φ = 28700640.

The previous prime is 29320927. The next prime is 29320957. The reversal of 29320931 is 13902392.

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 29320931 - 22 = 29320927 is a prime.

It is a super-4 number, since 4×293209314 (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29320894 and 29320903.

It is not an unprimeable number, because it can be changed into a prime (29320981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12920 + ... + 15018.

It is an arithmetic number, because the mean of its divisors is an integer number (3743250).

Almost surely, 229320931 is an apocalyptic number.

29320931 is a deficient number, since it is larger than the sum of its proper divisors (625069).

29320931 is a wasteful number, since it uses less digits than its factorization.

29320931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 29320931 is about 5414.8805157639. The cubic root of 29320931 is about 308.3608626666.

The spelling of 29320931 in words is "twenty-nine million, three hundred twenty thousand, nine hundred thirty-one".

Divisors: 1 61 229 2099 13969 128039 480671 29320931