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29691113 = 43690491
BaseRepresentation
bin111000101000…
…0110011101001
32001212110112212
41301100303221
530100103423
62540214505
7510241004
oct161206351
961773485
1029691113
111583a411
129b3a435
1361c750a
143d2c53b
152917578
hex1c50ce9

29691113 has 4 divisors (see below), whose sum is σ = 30381648. Its totient is φ = 29000580.

The previous prime is 29691083. The next prime is 29691121. The reversal of 29691113 is 31119692.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29691113 - 26 = 29691049 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 29691113.

It is not an unprimeable number, because it can be changed into a prime (29691133) 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, 345203 + ... + 345288.

It is an arithmetic number, because the mean of its divisors is an integer number (7595412).

Almost surely, 229691113 is an apocalyptic number.

It is an amenable number.

29691113 is a deficient number, since it is larger than the sum of its proper divisors (690535).

29691113 is an equidigital number, since it uses as much as digits as its factorization.

29691113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690534.

The product of its digits is 2916, while the sum is 32.

The square root of 29691113 is about 5448.9552209575. The cubic root of 29691113 is about 309.6531430929.

The spelling of 29691113 in words is "twenty-nine million, six hundred ninety-one thousand, one hundred thirteen".

Divisors: 1 43 690491 29691113