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29912311 = 1113297213
BaseRepresentation
bin111001000011…
…0110011110111
32002021200222101
41302012303313
530124143221
62545042531
7512151622
oct162066367
962250871
1029912311
1115980620
12a026447
1362740c0
143d88db9
15295cd91
hex1c86cf7

29912311 has 16 divisors (see below), whose sum is σ = 36358560. Its totient is φ = 24232320.

The previous prime is 29912297. The next prime is 29912321. The reversal of 29912311 is 11321992.

It is a cyclic number.

It is not a de Polignac number, because 29912311 - 215 = 29879543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29912311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29912321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (2272410).

Almost surely, 229912311 is an apocalyptic number.

29912311 is a deficient number, since it is larger than the sum of its proper divisors (6446249).

29912311 is a wasteful number, since it uses less digits than its factorization.

29912311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266.

The product of its digits is 972, while the sum is 28.

The square root of 29912311 is about 5469.2148431013. The cubic root of 29912311 is about 310.4202105767.

The spelling of 29912311 in words is "twenty-nine million, nine hundred twelve thousand, three hundred eleven".

Divisors: 1 11 13 29 143 319 377 4147 7213 79343 93769 209177 1031459 2300947 2719301 29912311