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29408269 = 115373691
BaseRepresentation
bin111000000101…
…1110000001101
32001100002120011
41300023300031
530012031034
62530153221
7504652252
oct160136015
961302504
1029408269
1115666960
129a22811
136128857
143c97429
1528ad864
hex1c0bc0d

29408269 has 16 divisors (see below), whose sum is σ = 33182784. Its totient is φ = 25833600.

The previous prime is 29408263. The next prime is 29408293. The reversal of 29408269 is 96280492.

It is a cyclic number.

It is not a de Polignac number, because 29408269 - 217 = 29277197 is a prime.

It is a super-2 number, since 2×294082692 = 1729692571152722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29408263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42214 + ... + 42904.

It is an arithmetic number, because the mean of its divisors is an integer number (2073924).

Almost surely, 229408269 is an apocalyptic number.

It is an amenable number.

29408269 is a deficient number, since it is larger than the sum of its proper divisors (3774515).

29408269 is a wasteful number, since it uses less digits than its factorization.

29408269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 29408269 is about 5422.9391477316. The cubic root of 29408269 is about 308.6667297718. Note that the first 3 decimals are identical.

The spelling of 29408269 in words is "twenty-nine million, four hundred eight thousand, two hundred sixty-nine".

Divisors: 1 11 53 73 583 691 803 3869 7601 36623 42559 50443 402853 554873 2673479 29408269