Search a number
-
+
29072319 = 39690773
BaseRepresentation
bin110111011100…
…1101110111111
32000201000201120
41232321232333
524420303234
62515042023
7502052643
oct156715677
960630646
1029072319
1115457511
1298a0313
13603b973
143c0ac23
152844049
hex1bb9bbf

29072319 has 4 divisors (see below), whose sum is σ = 38763096. Its totient is φ = 19381544.

The previous prime is 29072293. The next prime is 29072333. The reversal of 29072319 is 91327092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29072319 - 213 = 29064127 is a prime.

It is a super-2 number, since 2×290723192 = 1690399464075522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29072319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29072369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4845384 + ... + 4845389.

It is an arithmetic number, because the mean of its divisors is an integer number (9690774).

Almost surely, 229072319 is an apocalyptic number.

29072319 is a deficient number, since it is larger than the sum of its proper divisors (9690777).

29072319 is an equidigital number, since it uses as much as digits as its factorization.

29072319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690776.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 29072319 is about 5391.8752767474. The cubic root of 29072319 is about 307.4868577898.

The spelling of 29072319 in words is "twenty-nine million, seventy-two thousand, three hundred nineteen".

Divisors: 1 3 9690773 29072319