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3987033 = 31329011
BaseRepresentation
bin1111001101011001011001
321111120011220
433031121121
52010041113
6221242253
745614001
oct17153131
97446156
103987033
112283576
121403389
13a979bb
1475b001
1553b523
hex3cd659

3987033 has 4 divisors (see below), whose sum is σ = 5316048. Its totient is φ = 2658020.

The previous prime is 3987029. The next prime is 3987037. The reversal of 3987033 is 3307893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3987029) and next prime (3987037).

It is a cyclic number.

It is not a de Polignac number, because 3987033 - 22 = 3987029 is a prime.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 3986985 and 3987003.

It is not an unprimeable number, because it can be changed into a prime (3987037) 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 3 ways as a sum of consecutive naturals, for example, 664503 + ... + 664508.

It is an arithmetic number, because the mean of its divisors is an integer number (1329012).

Almost surely, 23987033 is an apocalyptic number.

It is an amenable number.

3987033 is a deficient number, since it is larger than the sum of its proper divisors (1329015).

3987033 is a wasteful number, since it uses less digits than its factorization.

3987033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329014.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 3987033 is about 1996.7556184972. The cubic root of 3987033 is about 158.5683875957.

It can be divided in two parts, 39870 and 33, that added together give a triangular number (39903 = T282).

The spelling of 3987033 in words is "three million, nine hundred eighty-seven thousand, thirty-three".

Divisors: 1 3 1329011 3987033