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29319641 = 1321923397
BaseRepresentation
bin110111111011…
…0000111011001
32001011120222122
41233312013121
530001212031
62524231025
7504133001
oct157660731
961146878
1029319641
111560630a
12999b475
1360c7400
143c73001
15289247b
hex1bf61d9

29319641 has 24 divisors (see below), whose sum is σ = 34960320. Its totient is φ = 24463296.

The previous prime is 29319629. The next prime is 29319659. The reversal of 29319641 is 14691392.

It is a de Polignac number, because none of the positive numbers 2k-29319641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29319691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73655 + ... + 74051.

It is an arithmetic number, because the mean of its divisors is an integer number (1456680).

Almost surely, 229319641 is an apocalyptic number.

It is an amenable number.

29319641 is a deficient number, since it is larger than the sum of its proper divisors (5640679).

29319641 is a wasteful number, since it uses less digits than its factorization.

29319641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 452 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 29319641 is about 5414.7613982520. The cubic root of 29319641 is about 308.3563403983.

The spelling of 29319641 in words is "twenty-nine million, three hundred nineteen thousand, six hundred forty-one".

Divisors: 1 13 19 23 169 247 299 397 437 3211 3887 5161 5681 7543 9131 67093 73853 98059 118703 173489 1274767 1543139 2255357 29319641