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29427199 = 291014731
BaseRepresentation
bin111000001000…
…0010111111111
32001101001112021
41300100113333
530013132244
62530421011
7505061404
oct160202777
961331467
1029427199
111567a0aa
129a31767
136134359
143ca02ab
1528b4284
hex1c105ff

29427199 has 4 divisors (see below), whose sum is σ = 30441960. Its totient is φ = 28412440.

The previous prime is 29427149. The next prime is 29427241. The reversal of 29427199 is 99172492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29427199 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 (29427149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507337 + ... + 507394.

It is an arithmetic number, because the mean of its divisors is an integer number (7610490).

Almost surely, 229427199 is an apocalyptic number.

29427199 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

29427199 is a deficient number, since it is larger than the sum of its proper divisors (1014761).

29427199 is a wasteful number, since it uses less digits than its factorization.

29427199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014760.

The product of its digits is 81648, while the sum is 43.

The square root of 29427199 is about 5424.6842304414. The cubic root of 29427199 is about 308.7329447981.

The spelling of 29427199 in words is "twenty-nine million, four hundred twenty-seven thousand, one hundred ninety-nine".

Divisors: 1 29 1014731 29427199