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29320369 = 1314915137
BaseRepresentation
bin110111111011…
…0010010110001
32001011121222121
41233312102301
530001222434
62524234241
7504135061
oct157662261
961147877
1029320369
1115606911
12999b981
1360c7840
143c733a1
1528927b4
hex1bf64b1

29320369 has 8 divisors (see below), whose sum is σ = 31789800. Its totient is φ = 26881536.

The previous prime is 29320283. The next prime is 29320381. The reversal of 29320369 is 96302392.

It can be written as a sum of positive squares in 4 ways, for example, as 30625 + 29289744 = 175^2 + 5412^2 .

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 29320369 - 27 = 29320241 is a prime.

It is a super-2 number, since 2×293203692 = 1719368076592322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29324369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5632 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (3973725).

Almost surely, 229320369 is an apocalyptic number.

It is an amenable number.

29320369 is a deficient number, since it is larger than the sum of its proper divisors (2469431).

29320369 is a wasteful number, since it uses less digits than its factorization.

29320369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15299.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 29320369 is about 5414.8286214801. The cubic root of 29320369 is about 308.3588925164.

The spelling of 29320369 in words is "twenty-nine million, three hundred twenty thousand, three hundred sixty-nine".

Divisors: 1 13 149 1937 15137 196781 2255413 29320369