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3987075 = 35253161
BaseRepresentation
bin1111001101011010000011
321111120020110
433031122003
52010041300
6221242403
745614061
oct17153203
97446213
103987075
112283604
121403403
13a97a21
1475b031
1553b550
hex3cd683

3987075 has 12 divisors (see below), whose sum is σ = 6592088. Its totient is φ = 2126400.

The previous prime is 3987037. The next prime is 3987077. The reversal of 3987075 is 5707893.

It is not a de Polignac number, because 3987075 - 210 = 3986051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3987077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26506 + ... + 26655.

Almost surely, 23987075 is an apocalyptic number.

3987075 is a deficient number, since it is larger than the sum of its proper divisors (2605013).

3987075 is a wasteful number, since it uses less digits than its factorization.

3987075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53174 (or 53169 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 3987075 is about 1996.7661355301. The cubic root of 3987075 is about 158.5689443881.

The spelling of 3987075 in words is "three million, nine hundred eighty-seven thousand, seventy-five".

Divisors: 1 3 5 15 25 75 53161 159483 265805 797415 1329025 3987075