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3705949 = 131741409
BaseRepresentation
bin1110001000110001011101
320222021121101
432020301131
51422042244
6211233101
743333342
oct16106135
96867541
103705949
112101375
1212a8791
139c9a90
146c67c9
154d30d4
hex388c5d

3705949 has 16 divisors (see below), whose sum is σ = 4339440. Its totient is φ = 3133440.

The previous prime is 3705941. The next prime is 3705959. The reversal of 3705949 is 9495073.

3705949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 27225 + 3678724 = 165^2 + 1918^2 .

It is not a de Polignac number, because 3705949 - 23 = 3705941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3705941) 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 15 ways as a sum of consecutive naturals, for example, 8857 + ... + 9265.

It is an arithmetic number, because the mean of its divisors is an integer number (271215).

Almost surely, 23705949 is an apocalyptic number.

It is an amenable number.

3705949 is a deficient number, since it is larger than the sum of its proper divisors (633491).

3705949 is a wasteful number, since it uses less digits than its factorization.

3705949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 3705949 is about 1925.0841540047. The cubic root of 3705949 is about 154.7508866979.

The spelling of 3705949 in words is "three million, seven hundred five thousand, nine hundred forty-nine".

Divisors: 1 13 17 41 221 409 533 697 5317 6953 9061 16769 90389 217997 285073 3705949