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29392561 = 115945289
BaseRepresentation
bin111000000011…
…1111010110001
32001022022000101
41300013322301
530011030221
62525552401
7504555412
oct160077261
961268011
1029392561
1115656080
129a15701
136121663
143c91809
1528a8d91
hex1c07eb1

29392561 has 8 divisors (see below), whose sum is σ = 32608800. Its totient is φ = 26267040.

The previous prime is 29392553. The next prime is 29392589. The reversal of 29392561 is 16529392.

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 29392561 - 23 = 29392553 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 29392561.

It is not an unprimeable number, because it can be changed into a prime (29392861) 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, 21996 + ... + 23293.

It is an arithmetic number, because the mean of its divisors is an integer number (4076100).

Almost surely, 229392561 is an apocalyptic number.

It is an amenable number.

29392561 is a deficient number, since it is larger than the sum of its proper divisors (3216239).

29392561 is a wasteful number, since it uses less digits than its factorization.

29392561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45359.

The product of its digits is 29160, while the sum is 37.

The square root of 29392561 is about 5421.4906621703. The cubic root of 29392561 is about 308.6117633664.

The spelling of 29392561 in words is "twenty-nine million, three hundred ninety-two thousand, five hundred sixty-one".

Divisors: 1 11 59 649 45289 498179 2672051 29392561