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4140987 = 31380329
BaseRepresentation
bin1111110010111110111011
321210101100220
433302332323
52030002422
6224431123
750124564
oct17627673
97711326
104140987
112379204
1214784a3
13b1cab6
1479b16b
1556be5c
hex3f2fbb

4140987 has 4 divisors (see below), whose sum is σ = 5521320. Its totient is φ = 2760656.

The previous prime is 4140973. The next prime is 4141001. The reversal of 4140987 is 7890414.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4140973) and next prime (4141001).

It is a cyclic number.

It is not a de Polignac number, because 4140987 - 26 = 4140923 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4140937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690162 + ... + 690167.

It is an arithmetic number, because the mean of its divisors is an integer number (1380330).

Almost surely, 24140987 is an apocalyptic number.

4140987 is a deficient number, since it is larger than the sum of its proper divisors (1380333).

4140987 is a wasteful number, since it uses less digits than its factorization.

4140987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380332.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 4140987 is about 2034.9415225013. The cubic root of 4140987 is about 160.5836366919.

The spelling of 4140987 in words is "four million, one hundred forty thousand, nine hundred eighty-seven".

Divisors: 1 3 1380329 4140987