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3697429 is a prime number
BaseRepresentation
bin1110000110101100010101
320221211220211
432012230111
51421304204
6211125421
743266451
oct16065425
96854824
103697429
1120a5a2a
1212a3871
139c5c38
146c3661
154d0804
hex386b15

3697429 has 2 divisors, whose sum is σ = 3697430. Its totient is φ = 3697428.

The previous prime is 3697427. The next prime is 3697433. The reversal of 3697429 is 9247963.

3697429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 1695204 = 1415^2 + 1302^2 .

It is a cyclic number.

It is not a de Polignac number, because 3697429 - 21 = 3697427 is a prime.

Together with 3697427, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3697391 and 3697400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3697423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1848714 + 1848715.

It is an arithmetic number, because the mean of its divisors is an integer number (1848715).

Almost surely, 23697429 is an apocalyptic number.

It is an amenable number.

3697429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3697429 is an equidigital number, since it uses as much as digits as its factorization.

3697429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 3697429 is about 1922.8699904050. The cubic root of 3697429 is about 154.6322046146.

The spelling of 3697429 in words is "three million, six hundred ninety-seven thousand, four hundred twenty-nine".