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29690051 = 97306083
BaseRepresentation
bin111000101000…
…0100011000011
32001212102002112
41301100203003
530100040201
62540205535
7510234626
oct161204303
961772075
1029690051
1115839636
129b398ab
1361c6ba1
143d2bdbd
1529170bb
hex1c508c3

29690051 has 4 divisors (see below), whose sum is σ = 29996232. Its totient is φ = 29383872.

The previous prime is 29690047. The next prime is 29690057. The reversal of 29690051 is 15009692.

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 29690051 - 22 = 29690047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29690057) 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, 152945 + ... + 153138.

It is an arithmetic number, because the mean of its divisors is an integer number (7499058).

Almost surely, 229690051 is an apocalyptic number.

29690051 is a deficient number, since it is larger than the sum of its proper divisors (306181).

29690051 is an equidigital number, since it uses as much as digits as its factorization.

29690051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306180.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 29690051 is about 5448.8577702120. The cubic root of 29690051 is about 309.6494511290.

The spelling of 29690051 in words is "twenty-nine million, six hundred ninety thousand, fifty-one".

Divisors: 1 97 306083 29690051