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29884738 = 2131149413
BaseRepresentation
bin111001000000…
…0000101000010
32002020022011011
41302000011002
530122302423
62544311134
7512005342
oct162000502
962208134
1029884738
1115961934
12a0124aa
1362646a0
143d7cd22
152954b0d
hex1c80142

29884738 has 8 divisors (see below), whose sum is σ = 48275388. Its totient is φ = 13792944.

The previous prime is 29884733. The next prime is 29884741. The reversal of 29884738 is 83748892.

It can be written as a sum of positive squares in 2 ways, for example, as 26286129 + 3598609 = 5127^2 + 1897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 29884691 and 29884700.

It is not an unprimeable number, because it can be changed into a prime (29884733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574681 + ... + 574732.

Almost surely, 229884738 is an apocalyptic number.

29884738 is a deficient number, since it is larger than the sum of its proper divisors (18390650).

29884738 is a wasteful number, since it uses less digits than its factorization.

29884738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149428.

The product of its digits is 774144, while the sum is 49.

The square root of 29884738 is about 5466.6935161942. The cubic root of 29884738 is about 310.3248000531.

The spelling of 29884738 in words is "twenty-nine million, eight hundred eighty-four thousand, seven hundred thirty-eight".

Divisors: 1 2 13 26 1149413 2298826 14942369 29884738