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29206331 = 711438821
BaseRepresentation
bin110111101101…
…0011100111011
32000221211112222
41233122130323
524434100311
62521554255
7503151440
oct157323473
960854488
1029206331
1115539170
12994598b
13608796b
143c439c7
15286dadb
hex1bda73b

29206331 has 16 divisors (see below), whose sum is σ = 37264128. Its totient is φ = 22226400.

The previous prime is 29206327. The next prime is 29206349. The reversal of 29206331 is 13360292.

It is not a de Polignac number, because 29206331 - 22 = 29206327 is a prime.

It is a super-2 number, since 2×292063312 = 1706019540963122, 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 29206331.

It is not an unprimeable number, because it can be changed into a prime (29206361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (2329008).

Almost surely, 229206331 is an apocalyptic number.

29206331 is a deficient number, since it is larger than the sum of its proper divisors (8057797).

29206331 is a wasteful number, since it uses less digits than its factorization.

29206331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 29206331 is about 5404.2882047500. The cubic root of 29206331 is about 307.9585983311.

The spelling of 29206331 in words is "twenty-nine million, two hundred six thousand, three hundred thirty-one".

Divisors: 1 7 11 43 77 301 473 3311 8821 61747 97031 379303 679217 2655121 4172333 29206331