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29933641 is a prime number
BaseRepresentation
bin111001000110…
…0000001001001
32002022210020101
41302030001021
530130334031
62545325401
7512301043
oct162140111
962283211
1029933641
1115995651
12a036861
136280a1a
143d92a93
152964361
hex1c8c049

29933641 has 2 divisors, whose sum is σ = 29933642. Its totient is φ = 29933640.

The previous prime is 29933639. The next prime is 29933647. The reversal of 29933641 is 14633992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28933641 + 1000000 = 5379^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 29933641 - 21 = 29933639 is a prime.

Together with 29933639, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29933641.

It is not a weakly prime, because it can be changed into another prime (29933647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14966820 + 14966821.

It is an arithmetic number, because the mean of its divisors is an integer number (14966821).

Almost surely, 229933641 is an apocalyptic number.

It is an amenable number.

29933641 is a deficient number, since it is larger than the sum of its proper divisors (1).

29933641 is an equidigital number, since it uses as much as digits as its factorization.

29933641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 29933641 is about 5471.1645012739. The cubic root of 29933641 is about 310.4939783070.

The spelling of 29933641 in words is "twenty-nine million, nine hundred thirty-three thousand, six hundred forty-one".