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29140511 = 67434933
BaseRepresentation
bin110111100101…
…0011000011111
32000211111021012
41233022120133
524424444021
62520325435
7502455521
oct157123037
960744235
1029140511
11154a3774
12991387b
136063a0a
143c27a11
15285935b
hex1bca61f

29140511 has 4 divisors (see below), whose sum is σ = 29575512. Its totient is φ = 28705512.

The previous prime is 29140483. The next prime is 29140519. The reversal of 29140511 is 11504192.

It is a happy number.

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-29140511 is a prime.

It is a super-2 number, since 2×291405112 = 1698338762682242, 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 (29140519) 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, 217400 + ... + 217533.

It is an arithmetic number, because the mean of its divisors is an integer number (7393878).

Almost surely, 229140511 is an apocalyptic number.

29140511 is a deficient number, since it is larger than the sum of its proper divisors (435001).

29140511 is an equidigital number, since it uses as much as digits as its factorization.

29140511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435000.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 29140511 is about 5398.1951613479. The cubic root of 29140511 is about 307.7270836768.

The spelling of 29140511 in words is "twenty-nine million, one hundred forty thousand, five hundred eleven".

Divisors: 1 67 434933 29140511