Search a number
-
+
3987093 = 311196359
BaseRepresentation
bin1111001101011010010101
321111120021010
433031122111
52010041333
6221242433
745614115
oct17153225
97446233
103987093
112283620
121403419
13a97a36
1475b045
1553b563
hex3cd695

3987093 has 16 divisors (see below), whose sum is σ = 6105600. Its totient is φ = 2288880.

The previous prime is 3987079. The next prime is 3987107. The reversal of 3987093 is 3907893.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3987079) and next prime (3987107).

It is not a de Polignac number, because 3987093 - 24 = 3987077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (381600).

Almost surely, 23987093 is an apocalyptic number.

3987093 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3987093 is a deficient number, since it is larger than the sum of its proper divisors (2118507).

3987093 is a wasteful number, since it uses less digits than its factorization.

3987093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 3987093 is about 1996.7706428130. The cubic root of 3987093 is about 158.5691830122.

The spelling of 3987093 in words is "three million, nine hundred eighty-seven thousand, ninety-three".

Divisors: 1 3 11 19 33 57 209 627 6359 19077 69949 120821 209847 362463 1329031 3987093