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3745901 = 29129169
BaseRepresentation
bin1110010010100001101101
321001022102002
432102201231
51424332101
6212142045
743560665
oct16224155
97038362
103745901
112129395
121307925
13a12013
146d71a5
154ded6b
hex39286d

3745901 has 4 divisors (see below), whose sum is σ = 3875100. Its totient is φ = 3616704.

The previous prime is 3745897. The next prime is 3745913. The reversal of 3745901 is 1095473.

3745901 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, and also an emirpimes, since its reverse is a distinct semiprime: 1095473 = 4792287.

It can be written as a sum of positive squares in 2 ways, for example, as 1020100 + 2725801 = 1010^2 + 1651^2 .

It is a cyclic number.

It is not a de Polignac number, because 3745901 - 22 = 3745897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 129169 = 3745901 / (3 + 7 + 4 + 5 + 9 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745961) 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, 64556 + ... + 64613.

It is an arithmetic number, because the mean of its divisors is an integer number (968775).

Almost surely, 23745901 is an apocalyptic number.

It is an amenable number.

3745901 is a deficient number, since it is larger than the sum of its proper divisors (129199).

3745901 is a wasteful number, since it uses less digits than its factorization.

3745901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129198.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 3745901 is about 1935.4330264827. The cubic root of 3745901 is about 155.3049977888.

The spelling of 3745901 in words is "three million, seven hundred forty-five thousand, nine hundred one".

Divisors: 1 29 129169 3745901