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29688379 = 713733089
BaseRepresentation
bin111000101000…
…0001000111011
32001212022210121
41301100020323
530100012004
62540154111
7510230020
oct161201073
961768717
1029688379
1115838356
129b38937
1361c61b6
143d2b547
152916854
hex1c5023b

29688379 has 8 divisors (see below), whose sum is σ = 33965280. Its totient is φ = 25420416.

The previous prime is 29688313. The next prime is 29688389. The reversal of 29688379 is 97388692.

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

It is not a de Polignac number, because 29688379 - 27 = 29688251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29688389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8067 + ... + 11155.

It is an arithmetic number, because the mean of its divisors is an integer number (4245660).

Almost surely, 229688379 is an apocalyptic number.

29688379 is a deficient number, since it is larger than the sum of its proper divisors (4276901).

29688379 is a wasteful number, since it uses less digits than its factorization.

29688379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469.

The product of its digits is 1306368, while the sum is 52.

The square root of 29688379 is about 5448.7043414008. The cubic root of 29688379 is about 309.6436383670.

The spelling of 29688379 in words is "twenty-nine million, six hundred eighty-eight thousand, three hundred seventy-nine".

Divisors: 1 7 1373 3089 9611 21623 4241197 29688379