Search a number
-
+
29993873 = 713329603
BaseRepresentation
bin111001001101…
…0101110010001
32002102211212012
41302122232101
530134300443
62550512305
7512641460
oct162325621
962384765
1029993873
1115a26928
12a065695
1362a2270
143daa9d7
152977118
hex1c9ab91

29993873 has 8 divisors (see below), whose sum is σ = 36915648. Its totient is φ = 23731344.

The previous prime is 29993867. The next prime is 29993881. The reversal of 29993873 is 37839992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29993873 - 28 = 29993617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29993573) 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, 164711 + ... + 164892.

It is an arithmetic number, because the mean of its divisors is an integer number (4614456).

Almost surely, 229993873 is an apocalyptic number.

It is an amenable number.

29993873 is a deficient number, since it is larger than the sum of its proper divisors (6921775).

29993873 is a wasteful number, since it uses less digits than its factorization.

29993873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329623.

The product of its digits is 734832, while the sum is 50.

The square root of 29993873 is about 5476.6662304727. Note that the first 3 decimals coincide. The cubic root of 29993873 is about 310.7020958067.

The spelling of 29993873 in words is "twenty-nine million, nine hundred ninety-three thousand, eight hundred seventy-three".

Divisors: 1 7 13 91 329603 2307221 4284839 29993873