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29229269 = 41712909
BaseRepresentation
bin110111110000…
…0000011010101
32001000000000112
41233200003111
524440314034
62522252405
7503305346
oct157400325
961000015
1029229269
1115554423
129957105
136095234
143c4c0cd
1528757ce
hex1be00d5

29229269 has 4 divisors (see below), whose sum is σ = 29942220. Its totient is φ = 28516320.

The previous prime is 29229259. The next prime is 29229281. The reversal of 29229269 is 96292292.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5121169 + 24108100 = 2263^2 + 4910^2 .

It is not a de Polignac number, because 29229269 - 224 = 12452053 is a prime.

It is a super-2 number, since 2×292292692 = 1708700332548722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 712909 = 29229269 / (2 + 9 + 2 + 2 + 9 + 2 + 6 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29229229) 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, 356414 + ... + 356495.

It is an arithmetic number, because the mean of its divisors is an integer number (7485555).

Almost surely, 229229269 is an apocalyptic number.

It is an amenable number.

29229269 is a deficient number, since it is larger than the sum of its proper divisors (712951).

29229269 is an equidigital number, since it uses as much as digits as its factorization.

29229269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712950.

The product of its digits is 69984, while the sum is 41.

The square root of 29229269 is about 5406.4099918523. The cubic root of 29229269 is about 308.0391985024.

The spelling of 29229269 in words is "twenty-nine million, two hundred twenty-nine thousand, two hundred sixty-nine".

Divisors: 1 41 712909 29229269