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29318941 = 149919559
BaseRepresentation
bin110111111010…
…1111100011101
32001011120000201
41233311330131
530001201231
62524223501
7504130651
oct157657435
961146021
1029318941
1115605833
12999ab91
1360c6cb2
143c72a61
152892161
hex1bf5f1d

29318941 has 4 divisors (see below), whose sum is σ = 29340000. Its totient is φ = 29297884.

The previous prime is 29318921. The next prime is 29318981. The reversal of 29318941 is 14981392.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29318941 - 217 = 29187869 is a prime.

It is a super-3 number, since 3×293189413 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 29318941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29318921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8281 + ... + 11278.

It is an arithmetic number, because the mean of its divisors is an integer number (7335000).

Almost surely, 229318941 is an apocalyptic number.

It is an amenable number.

29318941 is a deficient number, since it is larger than the sum of its proper divisors (21059).

29318941 is a wasteful number, since it uses less digits than its factorization.

29318941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21058.

The product of its digits is 15552, while the sum is 37.

The square root of 29318941 is about 5414.6967597456. The cubic root of 29318941 is about 308.3538863988.

The spelling of 29318941 in words is "twenty-nine million, three hundred eighteen thousand, nine hundred forty-one".

Divisors: 1 1499 19559 29318941