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3442949 is a prime number
BaseRepresentation
bin1101001000100100000101
320110220211122
431020210011
51340133244
6201443325
741156516
oct15104405
96426748
103442949
111a41814
1211a0545
13937163
14658a0d
154801ee
hex348905

3442949 has 2 divisors, whose sum is σ = 3442950. Its totient is φ = 3442948.

The previous prime is 3442921. The next prime is 3442963. The reversal of 3442949 is 9492443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3422500 + 20449 = 1850^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 3442949 - 28 = 3442693 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 39 + 43 + 45 + 221 + 96 + 49 + 96 .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3442979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721474 + 1721475.

It is an arithmetic number, because the mean of its divisors is an integer number (1721475).

Almost surely, 23442949 is an apocalyptic number.

It is an amenable number.

3442949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3442949 is an equidigital number, since it uses as much as digits as its factorization.

3442949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 3442949 is about 1855.5185259113. The cubic root of 3442949 is about 150.9999707615. Note that the first 4 decimals are identical.

The spelling of 3442949 in words is "three million, four hundred forty-two thousand, nine hundred forty-nine".