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29310081 = 330833169
BaseRepresentation
bin110111111001…
…1110010000001
32001011002212120
41233303302001
530000410311
62524114453
7504063063
oct157636201
961132776
1029310081
11155aa109
129995a29
1360c2c58
143c6d733
15288e706
hex1bf3c81

29310081 has 8 divisors (see below), whose sum is σ = 39105120. Its totient is φ = 19527552.

The previous prime is 29310077. The next prime is 29310101. The reversal of 29310081 is 18001392.

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

It is not a de Polignac number, because 29310081 - 22 = 29310077 is a prime.

It is a super-2 number, since 2×293100812 = 1718161696453122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29310041) 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, 7665 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (4888140).

Almost surely, 229310081 is an apocalyptic number.

It is an amenable number.

29310081 is a deficient number, since it is larger than the sum of its proper divisors (9795039).

29310081 is a wasteful number, since it uses less digits than its factorization.

29310081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 29310081 is about 5413.8785542345. The cubic root of 29310081 is about 308.3228223996.

The spelling of 29310081 in words is "twenty-nine million, three hundred ten thousand, eighty-one".

Divisors: 1 3 3083 3169 9249 9507 9770027 29310081