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3748005 = 33527763
BaseRepresentation
bin1110010011000010100101
321001102022000
432103002211
51424414010
6212155513
743600062
oct16230245
97042260
103748005
11212aa28
121308b99
13a12c71
146d7c69
154e07c0
hex3930a5

3748005 has 16 divisors (see below), whose sum is σ = 6663360. Its totient is φ = 1998864.

The previous prime is 3747979. The next prime is 3748021. The reversal of 3748005 is 5008473.

It is not a de Polignac number, because 3748005 - 28 = 3747749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3748005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13747 + ... + 14016.

It is an arithmetic number, because the mean of its divisors is an integer number (416460).

Almost surely, 23748005 is an apocalyptic number.

It is an amenable number.

3748005 is a deficient number, since it is larger than the sum of its proper divisors (2915355).

3748005 is a wasteful number, since it uses less digits than its factorization.

3748005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777 (or 27771 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3748005 is about 1935.9764977912. The cubic root of 3748005 is about 155.3340696157.

The spelling of 3748005 in words is "three million, seven hundred forty-eight thousand, five".

Divisors: 1 3 5 9 15 27 45 135 27763 83289 138815 249867 416445 749601 1249335 3748005