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29689693 = 118393217
BaseRepresentation
bin111000101000…
…0011101011101
32001212101121021
41301100131131
530100032233
62540204141
7510233605
oct161203535
961771537
1029689693
1115839340
129b39651
1361c6987
143d2bc05
152916e2d
hex1c5075d

29689693 has 8 divisors (see below), whose sum is σ = 32437440. Its totient is φ = 26950080.

The previous prime is 29689669. The next prime is 29689697. The reversal of 29689693 is 39698692.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29689693 - 213 = 29681501 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 29689693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29689697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7621 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (4054680).

Almost surely, 229689693 is an apocalyptic number.

It is an amenable number.

29689693 is a deficient number, since it is larger than the sum of its proper divisors (2747747).

29689693 is a wasteful number, since it uses less digits than its factorization.

29689693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067.

The product of its digits is 1259712, while the sum is 52.

The square root of 29689693 is about 5448.8249191913. The cubic root of 29689693 is about 309.6482065488.

The spelling of 29689693 in words is "twenty-nine million, six hundred eighty-nine thousand, six hundred ninety-three".

Divisors: 1 11 839 3217 9229 35387 2699063 29689693