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29319319 = 2329113389
BaseRepresentation
bin110111111011…
…0000010010111
32001011120112201
41233312002113
530001204234
62524225331
7504132031
oct157660227
961146481
1029319319
1115606047
12999b247
1360c7213
143c72c51
152892314
hex1bf6097

29319319 has 16 divisors (see below), whose sum is σ = 32011200. Its totient is φ = 26768896.

The previous prime is 29319307. The next prime is 29319341. The reversal of 29319319 is 91391392.

It is a cyclic number.

It is not a de Polignac number, because 29319319 - 223 = 20930711 is a prime.

It is a super-2 number, since 2×293193192 = 1719244933247522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29319019) 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, 75177 + ... + 75565.

It is an arithmetic number, because the mean of its divisors is an integer number (2000700).

Almost surely, 229319319 is an apocalyptic number.

29319319 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

29319319 is a deficient number, since it is larger than the sum of its proper divisors (2691881).

29319319 is a wasteful number, since it uses less digits than its factorization.

29319319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554.

The product of its digits is 13122, while the sum is 37.

The square root of 29319319 is about 5414.7316646349. The cubic root of 29319319 is about 308.3552115634.

The spelling of 29319319 in words is "twenty-nine million, three hundred nineteen thousand, three hundred nineteen".

Divisors: 1 23 29 113 389 667 2599 3277 8947 11281 43957 75371 259463 1011011 1274753 29319319