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29705146 = 214852573
BaseRepresentation
bin111000101010…
…0001110111010
32001220011210121
41301110032322
530101031041
62540403454
7510326632
oct161241672
961804717
1029705146
1115849a09
129b4658a
136200a13
143d336c2
15291b7d1
hex1c543ba

29705146 has 4 divisors (see below), whose sum is σ = 44557722. Its totient is φ = 14852572.

The previous prime is 29705141. The next prime is 29705153. The reversal of 29705146 is 64150792.

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

It can be written as a sum of positive squares in only one way, i.e., 29648025 + 57121 = 5445^2 + 239^2 .

It is not an unprimeable number, because it can be changed into a prime (29705141) 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 as a sum of consecutive naturals, namely, 7426285 + ... + 7426288.

Almost surely, 229705146 is an apocalyptic number.

29705146 is a deficient number, since it is larger than the sum of its proper divisors (14852576).

29705146 is a wasteful number, since it uses less digits than its factorization.

29705146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14852575.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 29705146 is about 5450.2427468875. The cubic root of 29705146 is about 309.7019195080.

The spelling of 29705146 in words is "twenty-nine million, seven hundred five thousand, one hundred forty-six".

Divisors: 1 2 14852573 29705146