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29838379 = 1979103193
BaseRepresentation
bin111000111010…
…0110000101011
32002010221120011
41301310300223
530114312004
62543312351
7511423234
oct161646053
962127504
1029838379
111593001a
129bab6b7
13624955c
143d6a08b
152946004
hex1c74c2b

29838379 has 16 divisors (see below), whose sum is σ = 32281600. Its totient is φ = 27495936.

The previous prime is 29838377. The next prime is 29838397. The reversal of 29838379 is 97383892.

It is a cyclic number.

It is not a de Polignac number, because 29838379 - 21 = 29838377 is a prime.

It is a super-2 number, since 2×298383792 = 1780657722695282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29838371) 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 15 ways as a sum of consecutive naturals, for example, 154507 + ... + 154699.

It is an arithmetic number, because the mean of its divisors is an integer number (2017600).

Almost surely, 229838379 is an apocalyptic number.

29838379 is a deficient number, since it is larger than the sum of its proper divisors (2443221).

29838379 is a wasteful number, since it uses less digits than its factorization.

29838379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its digits is 653184, while the sum is 49.

The square root of 29838379 is about 5462.4517389172. The cubic root of 29838379 is about 310.1642521863.

The spelling of 29838379 in words is "twenty-nine million, eight hundred thirty-eight thousand, three hundred seventy-nine".

Divisors: 1 19 79 103 193 1501 1957 3667 8137 15247 19879 154603 289693 377701 1570441 29838379