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2029829 is a prime number
BaseRepresentation
bin111101111100100000101
310211010101212
413233210011
51004423304
6111301205
723152604
oct7574405
93733355
102029829
11116704a
1281a805
13560ba9
143aba3b
152a166e
hex1ef905

2029829 has 2 divisors, whose sum is σ = 2029830. Its totient is φ = 2029828.

The previous prime is 2029813. The next prime is 2029831. The reversal of 2029829 is 9289202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 4900 = 1423^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 2029829 - 24 = 2029813 is a prime.

It is a Sophie Germain prime.

Together with 2029831, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2029795 and 2029804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2029879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014914 + 1014915.

It is an arithmetic number, because the mean of its divisors is an integer number (1014915).

22029829 is an apocalyptic number.

It is an amenable number.

2029829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2029829 is an equidigital number, since it uses as much as digits as its factorization.

2029829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2029829 is about 1424.7206743780. The cubic root of 2029829 is about 126.6153862905.

The spelling of 2029829 in words is "two million, twenty-nine thousand, eight hundred twenty-nine".