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29077385 = 510953353
BaseRepresentation
bin110111011101…
…0111110001001
32000201021200012
41232322332021
524420434020
62515121305
7502103501
oct156727611
960637605
1029077385
11154602a7
1298a3235
13604106c
143c0ca01
1528457c5
hex1bbaf89

29077385 has 8 divisors (see below), whose sum is σ = 35213640. Its totient is φ = 23048064.

The previous prime is 29077381. The next prime is 29077403. The reversal of 29077385 is 58377092.

It can be written as a sum of positive squares in 4 ways, for example, as 10784656 + 18292729 = 3284^2 + 4277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29077385 - 22 = 29077381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29077381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26132 + ... + 27221.

It is an arithmetic number, because the mean of its divisors is an integer number (4401705).

Almost surely, 229077385 is an apocalyptic number.

It is an amenable number.

29077385 is a deficient number, since it is larger than the sum of its proper divisors (6136255).

29077385 is a wasteful number, since it uses less digits than its factorization.

29077385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53467.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 29077385 is about 5392.3450371800. The cubic root of 29077385 is about 307.5047171374.

It can be divided in two parts, 290 and 77385, that multiplied together give a triangular number (22441650 = T6699).

The spelling of 29077385 in words is "twenty-nine million, seventy-seven thousand, three hundred eighty-five".

Divisors: 1 5 109 545 53353 266765 5815477 29077385