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3742349 = 13287873
BaseRepresentation
bin1110010001101010001101
321001010112112
432101222031
51424223344
6212113405
743544432
oct16215215
97033475
103742349
112126756
121305865
13a10510
146d5b89
154ddc9e
hex391a8d

3742349 has 4 divisors (see below), whose sum is σ = 4030236. Its totient is φ = 3454464.

The previous prime is 3742337. The next prime is 3742367. The reversal of 3742349 is 9432473.

3742349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1036324 + 2706025 = 1018^2 + 1645^2 .

It is not a de Polignac number, because 3742349 - 212 = 3738253 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3742369) 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 in 3 ways as a sum of consecutive naturals, for example, 143924 + ... + 143949.

It is an arithmetic number, because the mean of its divisors is an integer number (1007559).

Almost surely, 23742349 is an apocalyptic number.

It is an amenable number.

3742349 is a deficient number, since it is larger than the sum of its proper divisors (287887).

3742349 is a wasteful number, since it uses less digits than its factorization.

3742349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287886.

The product of its digits is 18144, while the sum is 32.

The square root of 3742349 is about 1934.5151847427. The cubic root of 3742349 is about 155.2558936430.

The spelling of 3742349 in words is "three million, seven hundred forty-two thousand, three hundred forty-nine".

Divisors: 1 13 287873 3742349