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3974481 = 337171237
BaseRepresentation
bin1111001010010101010001
321110220222000
433022111101
52004140411
6221104213
745532260
oct17122521
97426860
103974481
1122750a5
1213b8069
13a92084
147565d7
15537956
hex3ca551

3974481 has 32 divisors (see below), whose sum is σ = 7130880. Its totient is φ = 2135808.

The previous prime is 3974459. The next prime is 3974483. The reversal of 3974481 is 1844793.

It is a happy number.

3974481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3974481 - 27 = 3974353 is a prime.

It is a super-2 number, since 2×39744812 = 31592998438722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3974483) 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 31 ways as a sum of consecutive naturals, for example, 2595 + ... + 3831.

It is an arithmetic number, because the mean of its divisors is an integer number (222840).

Almost surely, 23974481 is an apocalyptic number.

It is an amenable number.

3974481 is a deficient number, since it is larger than the sum of its proper divisors (3156399).

3974481 is a wasteful number, since it uses less digits than its factorization.

3974481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1264 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3974481 is about 1993.6100421095. The cubic root of 3974481 is about 158.4018107001.

The spelling of 3974481 in words is "three million, nine hundred seventy-four thousand, four hundred eighty-one".

Divisors: 1 3 7 9 17 21 27 51 63 119 153 189 357 459 1071 1237 3213 3711 8659 11133 21029 25977 33399 63087 77931 147203 189261 233793 441609 567783 1324827 3974481