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29145219 = 3412111123
BaseRepresentation
bin110111100101…
…1100010000011
32000211201201120
41233023202003
524430121334
62520403323
7502505325
oct157134203
960751646
1029145219
11154a7264
129916543
136065bbc
143c29615
15285a949
hex1bcb883

29145219 has 16 divisors (see below), whose sum is σ = 40032384. Its totient is φ = 18849600.

The previous prime is 29145199. The next prime is 29145227. The reversal of 29145219 is 91254192.

It is not a de Polignac number, because 29145219 - 25 = 29145187 is a prime.

It is a super-2 number, since 2×291452192 = 1698887581115922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29145219.

It is not an unprimeable number, because it can be changed into a prime (29145289) 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 in 15 ways as a sum of consecutive naturals, for example, 25392 + ... + 26514.

It is an arithmetic number, because the mean of its divisors is an integer number (2502024).

Almost surely, 229145219 is an apocalyptic number.

29145219 is a deficient number, since it is larger than the sum of its proper divisors (10887165).

29145219 is a wasteful number, since it uses less digits than its factorization.

29145219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378.

The product of its digits is 6480, while the sum is 33.

The square root of 29145219 is about 5398.6312154101. The cubic root of 29145219 is about 307.7436551214.

The spelling of 29145219 in words is "twenty-nine million, one hundred forty-five thousand, two hundred nineteen".

Divisors: 1 3 41 123 211 633 1123 3369 8651 25953 46043 138129 236953 710859 9715073 29145219