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29348939 = 19281299
BaseRepresentation
bin110111111110…
…1010001001011
32001020002011202
41233331101023
530003131224
62525014415
7504314264
oct157752113
961202152
1029348939
1115626324
1299b440b
136107849
143c7d96b
15289aeae
hex1bfd44b

29348939 has 6 divisors (see below), whose sum is σ = 30975300. Its totient is φ = 27803916.

The previous prime is 29348929. The next prime is 29348941. The reversal of 29348939 is 93984392.

It is not a de Polignac number, because 29348939 - 224 = 12571723 is a prime.

It is a super-2 number, since 2×293489392 = 1722720440851442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29348893 and 29348902.

It is not an unprimeable number, because it can be changed into a prime (29348929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40289 + ... + 41010.

It is an arithmetic number, because the mean of its divisors is an integer number (5162550).

Almost surely, 229348939 is an apocalyptic number.

29348939 is a deficient number, since it is larger than the sum of its proper divisors (1626361).

29348939 is an equidigital number, since it uses as much as digits as its factorization.

29348939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81337 (or 81318 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 29348939 is about 5417.4661051085. The cubic root of 29348939 is about 308.4590157863.

The spelling of 29348939 in words is "twenty-nine million, three hundred forty-eight thousand, nine hundred thirty-nine".

Divisors: 1 19 361 81299 1544681 29348939