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29188434 = 2311467947
BaseRepresentation
bin110111101011…
…0000101010010
32000220221000010
41233112011102
524433012214
62521335350
7503045322
oct157260522
960827003
1029188434
1115526780
129937556
13607c782
143c3b282
152868659
hex1bd6152

29188434 has 32 divisors (see below), whose sum is σ = 63887616. Its totient is φ = 8816720.

The previous prime is 29188417. The next prime is 29188441. The reversal of 29188434 is 43488192.

It is a junction number, because it is equal to n+sod(n) for n = 29188392 and 29188401.

It is an unprimeable number.

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, 30349 + ... + 31295.

It is an arithmetic number, because the mean of its divisors is an integer number (1996488).

Almost surely, 229188434 is an apocalyptic number.

29188434 is an abundant number, since it is smaller than the sum of its proper divisors (34699182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29188434 is a wasteful number, since it uses less digits than its factorization.

29188434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its digits is 55296, while the sum is 39.

The square root of 29188434 is about 5402.6321362832. The cubic root of 29188434 is about 307.8956820499.

The spelling of 29188434 in words is "twenty-nine million, one hundred eighty-eight thousand, four hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 467 934 947 1401 1894 2802 2841 5137 5682 10274 10417 15411 20834 30822 31251 62502 442249 884498 1326747 2653494 4864739 9729478 14594217 29188434