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29413409 = 37794957
BaseRepresentation
bin111000000110…
…1000000100001
32001100100121112
41300031000201
530012212114
62530233105
7505003244
oct160150041
961310545
1029413409
111566a803
129a25795
13612acac
143c9925b
1528b013e
hex1c0d021

29413409 has 4 divisors (see below), whose sum is σ = 30208404. Its totient is φ = 28618416.

The previous prime is 29413403. The next prime is 29413421. The reversal of 29413409 is 90431492.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23425600 + 5987809 = 4840^2 + 2447^2 .

It is a cyclic number.

It is not a de Polignac number, because 29413409 - 212 = 29409313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29413403) 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, 397442 + ... + 397515.

It is an arithmetic number, because the mean of its divisors is an integer number (7552101).

Almost surely, 229413409 is an apocalyptic number.

It is an amenable number.

29413409 is a deficient number, since it is larger than the sum of its proper divisors (794995).

29413409 is an equidigital number, since it uses as much as digits as its factorization.

29413409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794994.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 29413409 is about 5423.4130397749. The cubic root of 29413409 is about 308.6847117274.

The spelling of 29413409 in words is "twenty-nine million, four hundred thirteen thousand, four hundred nine".

Divisors: 1 37 794957 29413409