Search a number
-
+
29968653 = 3111369857
BaseRepresentation
bin111001001010…
…0100100001101
32002101120021010
41302110210031
530132444103
62550155433
7512505111
oct162244415
962346233
1029968653
1115a09990
12a052b79
136293940
143da1741
15296e903
hex1c9490d

29968653 has 16 divisors (see below), whose sum is σ = 46944576. Its totient is φ = 16765440.

The previous prime is 29968649. The next prime is 29968669. The reversal of 29968653 is 35686992.

It is not a de Polignac number, because 29968653 - 22 = 29968649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29968633) 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 15 ways as a sum of consecutive naturals, for example, 34500 + ... + 35357.

It is an arithmetic number, because the mean of its divisors is an integer number (2934036).

Almost surely, 229968653 is an apocalyptic number.

It is an amenable number.

29968653 is a deficient number, since it is larger than the sum of its proper divisors (16975923).

29968653 is a wasteful number, since it uses less digits than its factorization.

29968653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69884.

The product of its digits is 699840, while the sum is 48.

The square root of 29968653 is about 5474.3632506439. The cubic root of 29968653 is about 310.6149879706.

The spelling of 29968653 in words is "twenty-nine million, nine hundred sixty-eight thousand, six hundred fifty-three".

Divisors: 1 3 11 13 33 39 143 429 69857 209571 768427 908141 2305281 2724423 9989551 29968653