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29914879 = 149200771
BaseRepresentation
bin111001000011…
…1011011111111
32002021211111111
41302013123333
530124234004
62545102451
7512162251
oct162073377
962254444
1029914879
1115982545
12a027a27
136275317
143d89cd1
15295da04
hex1c876ff

29914879 has 4 divisors (see below), whose sum is σ = 30115800. Its totient is φ = 29713960.

The previous prime is 29914867. The next prime is 29914931. The reversal of 29914879 is 97841992.

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

It is a cyclic number.

It is not a de Polignac number, because 29914879 - 25 = 29914847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29912879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100237 + ... + 100534.

It is an arithmetic number, because the mean of its divisors is an integer number (7528950).

Almost surely, 229914879 is an apocalyptic number.

29914879 is a deficient number, since it is larger than the sum of its proper divisors (200921).

29914879 is a wasteful number, since it uses less digits than its factorization.

29914879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200920.

The product of its digits is 326592, while the sum is 49.

The square root of 29914879 is about 5469.4496066789. The cubic root of 29914879 is about 310.4290936114.

The spelling of 29914879 in words is "twenty-nine million, nine hundred fourteen thousand, eight hundred seventy-nine".

Divisors: 1 149 200771 29914879