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29099071 = 231265177
BaseRepresentation
bin110111100000…
…0010000111111
32000202101102101
41233000100333
524422132241
62515405531
7502223641
oct157002077
960671371
1029099071
1115475621
1298b38a7
13604abb1
143c16891
15284be31
hex1bc043f

29099071 has 4 divisors (see below), whose sum is σ = 30364272. Its totient is φ = 27833872.

The previous prime is 29099069. The next prime is 29099101. The reversal of 29099071 is 17099092.

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

It is a cyclic number.

It is not a de Polignac number, because 29099071 - 21 = 29099069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29099071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29099011) 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 3 ways as a sum of consecutive naturals, for example, 632566 + ... + 632611.

It is an arithmetic number, because the mean of its divisors is an integer number (7591068).

Almost surely, 229099071 is an apocalyptic number.

29099071 is a deficient number, since it is larger than the sum of its proper divisors (1265201).

29099071 is a wasteful number, since it uses less digits than its factorization.

29099071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265200.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 29099071 is about 5394.3554758655. The cubic root of 29099071 is about 307.5811441175.

The spelling of 29099071 in words is "twenty-nine million, ninety-nine thousand, seventy-one".

Divisors: 1 23 1265177 29099071