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29947342 = 214973671
BaseRepresentation
bin111001000111…
…1010111001110
32002100111000211
41302033113032
530131303332
62545513034
7512356015
oct162172716
962314024
1029947342
11159a4977
12a04277a
136287029
143d97a7c
152968447
hex1c8f5ce

29947342 has 4 divisors (see below), whose sum is σ = 44921016. Its totient is φ = 14973670.

The previous prime is 29947331. The next prime is 29947367. The reversal of 29947342 is 24374992.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 29947295 and 29947304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7486834 + ... + 7486837.

It is an arithmetic number, because the mean of its divisors is an integer number (11230254).

Almost surely, 229947342 is an apocalyptic number.

29947342 is a deficient number, since it is larger than the sum of its proper divisors (14973674).

29947342 is a wasteful number, since it uses less digits than its factorization.

29947342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14973673.

The product of its digits is 108864, while the sum is 40.

The square root of 29947342 is about 5472.4164680697. The cubic root of 29947342 is about 310.5413434005.

The spelling of 29947342 in words is "twenty-nine million, nine hundred forty-seven thousand, three hundred forty-two".

Divisors: 1 2 14973671 29947342