Search a number
-
+
29693191 = 1114291889
BaseRepresentation
bin111000101000…
…1010100000111
32001212120101211
41301101110013
530100140231
62540232251
7510250033
oct161212407
961776354
1029693191
1115840a30
129b3b687
1361c8448
143d2d1c3
152917eb1
hex1c51507

29693191 has 8 divisors (see below), whose sum is σ = 32432400. Its totient is φ = 26960640.

The previous prime is 29693173. The next prime is 29693227. The reversal of 29693191 is 19139692.

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 29693191 - 27 = 29693063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29693141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14775 + ... + 16663.

It is an arithmetic number, because the mean of its divisors is an integer number (4054050).

Almost surely, 229693191 is an apocalyptic number.

29693191 is a deficient number, since it is larger than the sum of its proper divisors (2739209).

29693191 is a wasteful number, since it uses less digits than its factorization.

29693191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329.

The product of its digits is 26244, while the sum is 40.

The square root of 29693191 is about 5449.1458963768. The cubic root of 29693191 is about 309.6603668507.

The spelling of 29693191 in words is "twenty-nine million, six hundred ninety-three thousand, one hundred ninety-one".

Divisors: 1 11 1429 1889 15719 20779 2699381 29693191