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29343889 = 54172
BaseRepresentation
bin110111111110…
…0000010010001
32001012211020201
41233330002101
530003001024
62524535201
7504263461
oct157740221
961184221
1029343889
1115622553
1299b1501
136105463
143c7bba1
152899744
hex1bfc091

29343889 has 3 divisors (see below), whose sum is σ = 29349307. Its totient is φ = 29338472.

The previous prime is 29343871. The next prime is 29343907. The reversal of 29343889 is 98834392.

The square root of 29343889 is 5417.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (29343871) and next prime (29343907).

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 26956864 = 1545^2 + 5192^2 .

It is not a de Polignac number, because 29343889 - 25 = 29343857 is a prime.

It is a super-2 number, since 2×293438892 = 1722127643288642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29343829) 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 2 ways as a sum of consecutive naturals, for example, 2709 + ... + 8125.

Almost surely, 229343889 is an apocalyptic number.

29343889 is the 5417-th square number.

29343889 is the 2709-th centered octagonal number.

It is an amenable number.

29343889 is a deficient number, since it is larger than the sum of its proper divisors (5418).

29343889 is an frugal number, since it uses more digits than its factorization.

29343889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10834 (or 5417 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The cubic root of 29343889 is about 308.4413228425.

The spelling of 29343889 in words is "twenty-nine million, three hundred forty-three thousand, eight hundred eighty-nine".

Divisors: 1 5417 29343889